Additionally, group exercise creates a community feel and the shared common goal motivates participants to work hard.

And I went into a speech about how hard I worked and the gains I was making.

But alternative explanations are hard to find.

But sometimes it seems too hard to leave the sofa.

By feeding the ponies, tourists increase the risk of them getting hit by a car, and make them harder to gather during the area's annual pony drift (迁移).

By then, Steve was having a hard time remembering the names of some of his friends.

Changing levels of body chemicals called hormones not only make teenagers' bodies develop adult characteristics, but also make it hard for teenagers to fall asleep before 11 pm.

Credibility is hard to earn but easy to lose, and the problem is only going to get harder from here on out.

Dad sat me down and said, \Alice, I know it's hard, but it's all about persistence (坚持不懈).\

Daydreams are often very simple and direct, quite unlike sleep dreams, which may be hard to understand.

Exciting! But it was hard work.

Finally, that hard work paid off and now the water in the river is cleaner than ever.

Hard work is necessary in one's achievements.

Having your grandchildren far away is hard, especially knowing your adult child is struggling, but giving up the life you know may be harder.

Her years of hard work have finally been acknowledged after a customer nominated her to be cheshire's woman of the year.

His son tried hard to finish homework.

However, Helene did not want her daughters to always work in the family business because she thought it was too hard.

However, it is also hard to keep a code book secret for long.

I find it hard to stop! Dancing reminds me I'm alive.

I have thought long and hard about it and it's true.

I rode hard and fast home to tell my mother about this disaster.

If Tononi's theory is right, it would explain why, when we miss a night's, we find it harder the next day to concentrate and learn new information — our brains may have smaller room for new experiences.

If we work hard,we will find a way out.

If you are already making the time to exercise, it is good indeed! with such busy lives, it can be hard to try and find the time to work out.

I'm still having a hard time with the language.

In his introduction, he made it clear that our credits would be hard-earned.

In return, we expect students to work hard.

In such a situation, I work as hard as I can-then let the unconscious take over.

It also asked mothers about the challenges they face, with 80 percent making emotional demand as the hardest thing about motherhood.

It enables her to work hard.

It is very hard to break a code without the code book.

It's a hard business review of your product.

Its difficulties appear so great that, however hard we work, we fail again and again.

It's even harder to provides energy.

It's hard to predict when driverless cars will be everywhere on our roads.

It's harder than we expect to follow a new course.

It's not all that hard to build an advanced and large vocabulary.

Looking back on your day, you will find it hard to deny that a horseback safari is as close as you will ever come to answering the call of the wild.

Lots of people find it hard to get up in the morning and put the blame on the alarm clock.

Managing the family budget must have been a very hard task, but she made it look effortless.

Many people are working hard to preserve these ponies, and trying to come up with plans to find a sustainable future for one of dartmoor's most financially-troubled elements.

Mary has been working really hard on his book and thinks he'll have finished it by Friday.

No matter how attractive they look in the store, once I get them home they're unfailingly dry, hard, and tasteless.

On a summer evening in beijing in 2008, all those long, hard hours of work and commitment finally bore fruit.

One afternoon, I was crossing the field to go home and saw Miller stuck going over a fence—which wasn't hard to climb if you had both arms.

One should learn to enjoy hard times.

People speak very fast and it's hard to get them to repeat things.

People, in general, are less warm here and it's hard to make friends.

She had a hard time finishing the required reading tasks.

She practiced hard and finally made it.

She says these activities at bedtime can get kids all excited and make it hard for them to calm down and sleep.

She showed the girls it was hard to break the tied chopsticks.

Some immigrant advocates worry that as hard financial times make it more difficult for natives to keep jobs, such measures will become more a vehicle for intolerance than integration.

That night, hurricane sandy attacked the east coast, and rockaway was hit especially hard.

The dark-colored road surface makes the youngsters hard to be noticed.

The language in their contracts is usually harder to understand.

The students have been working hard on their lessons and their efforts will be rewarded success in the end.

The task was so hard, and Steve, angry and upset, said he was quitting.

The team are working hard to analyze the problem so that they can find the best solution.

The Winns soon discovered that daily hiking in their 50s is a lot harder than they remember it was in their 20s.

They are hard to get rid of.

They find it hard to make changes.

They recognize there's something missing in their lives, but it's hard to step off the track.

Thinking hard about it, I came to realize that my team might not be the number one team in georgia, but they were depending on me.

This isn't as hard as it sounds, and it is far better than any other method because you improve your vocabulary while reading an interesting piece of literature.

Though I worked as hard as before, I felt no fatigue.

Today, it's hard to find a public school, university, or law school that does not have such a kind of program.

When a reader selects delayed reward news, he pulls himself into the world of surrounding reality to which he can adapt himself only by hard work.

When Grylls heard about Nicholas' amazing deeds, he was super impressed that Nicholas had made it since he knew better than anyone how hard Nicholas had to work to stay alive.

Working hard to get a bigger opportunity.

Your dad works very hard at the bank.

You feel the same emotions – it is just as raw, just as fresh… You can't turn off that stream of memories, no matter how hard you try.

This is hard to achieve when, as is now the case in many big firms, a large proportion of staff are temporary contractors.

The least that can be concluded from this research is that companies need to think harder about managing teams.

Some team members find it hard to agree on questions like membership and the team's purpose.

Some people with HSAM find it very hard to get rid of unpleasant memories.

It can be very hard to forget embarrassing moments, says Donohue.

In fact, there is almost no hard evidence for midlife crisis other than a few small pilot studies conducted decades ago, Barbara Hagerty writes in her new book, Life Reimagined.

If it is hard enough to define a team's membership, agreeing on its purpose is harder still.

Auto makers and tech companies are working hard to offer the first true selfdriving car.

What about supply? The three environmental trends—the shortage of fresh water, the loss of topsoil and the rising temperatures—are making it increasingly hard to expand the world's grain supply fast enough to keep up with demand.

Since industrialization, maintaining such a slow cultural metabolism has been much harder, with the long midday meal shrinking to whatever could be stuffed into a lunch bucket or bought at a food stand.

Patterns of childhood eating can be hard to break when we're adults, which may mean that kids of depressed moms end up dying younger.

Does assisted living really mark a great improvement over a nursing home, or has the industry simply hired better interior designers? Are nursing homes as bad as people fear, or is that an out-moded stereotype ( ' , 固定 看法 )? Can doing one's homework really steer families to the best places? It is genuinely hard to know.

We can cultivate a growth mind-set in children by telling success stories that emphasize hard work and love of learning.

They understood that even geniuses have to work hard.

They thought that a person with talent or intelligence did not need to work hard to do well.

They had negative views of effort, believing that having to work hard was a sign of low ability.

They find it ever harder to cope with sugar-induced health problems.

The mastery-oriented children, on the other hand, think intelligence is not fixed and can be developed through education and hard work.

The author's experiment shows that students with a fixed mind-set believe having to work hard is an indication of low ability.

In fact, vaguely-stated possibilities of winning a prize were more effective than options with hard odds included.

In addition, they held hard work in high regard.

How do we transmit a growth mind-set to our children? One way is by telling stories about achievements that result from hard work.

Confronted by a setback such as a disappointing test grade, students with a growth mind-set said they would study harder or try a different strategy.

Another group of helpless children who were simply rewarded for their success on easier problems did not improve their ability to solve hard math problems.

Why do so many Americans eat tons of processed food, the stuff that is correctly called junk ( ' , 垃圾 ) and should really carry warning labels? It's not because fresh ingredients are hard to come by.

The assumption is that children shouldn't chat in the classroom because it hinders hard work; instead, they should learn to delay gratification ( ' , 快乐 ) so that they can pursue abstract goals, like going to college.

Should a woman who possessed a small amount of drugs years ago be permanently unable to be licensed as a nurse?These laws are also counterproductive, since they make it harder for people with criminal records to find housing or land a job, two key factors that reduce backsliding.

Passionate, energetic debate does not require anger and hard feelings to be effective.

Its success is hard to copy anywhere else.

Instead of trying to get children to work hard, why not focus on getting them to take pleasure in meaningful, productive activity, like making things, working with others, exploring ideas, and solving problems? These focuses are not so different from the things in which they delight.

Could you reproduce Silicon Valley elsewhere, or is there something unique about it?It wouldn't be surprising if it were hard to reproduce in other countries, because you couldn't reproduce it in most of the US either.

Considering that the government's standards are not nearly ambitious enough, the picture is clear: by not cooking at home, we're not eating the right things, and the consequences are hard to overstate.

Building on a child's ability to feel joy, rather than pushing it aside, wouldn't be that hard.

Administrators seem to believe that only hard work will lead children to their educational goals.

I have been bothered for a long time about the curious lack of curiosity,said a Democratic member of the New Jersey legislature back in July, referring to an insufficiently inquiring attitude on the part of an assistant to New Jersey Governor Chris Chri

In fact, there is almost no hard evidence for midlife crisis other than a few small pilot studies conducted decades ago, Barbara Hagerty writes in her new book, life Reimagined.

It can be very hard to forget embarrassing moments, says Donohue.

Again, the point is to listen hard while keeping the pen moving.

As he got in the habit of hard work, his grades began to soar.

Auto makers and tech companies are working hard to offer the first true self-driving car.

But it seems to me that it's actually very hard work.

But scientists released a report Monday documenting, with hard evidence, the discovery of lost lions.

By and large, people felt that their actions and hard work—not outside forces—were the deciding factor in how their lives turned out.

Citing the work of psychologists and cognitive (认知的)scientists, Leslie criticizes the received wisdom that academic success is the result of a combination of intellectual talent and hard work.

I can promise you one thing: whatever you choose to do for a career, if you work hard at it, eventually, special things will happen.

I choose to believe in hard work, but not so much in talent.

In other words, when it comes to cities—or anything else—it is hard to predict the future.

In the early stages, drug use is often hard to see.

Instead of trying to get children to work hard, why not focus on getting them to take pleasure in meaningful, productive activity, like making things, working with others, exploring ideas, and solving problems?

It can be hard to identify which parcels are carrying crucial items such as Social Security checks, but USPS and UPS try their best to prioritize sensitive material.

It is genuinely hard to know.

It is often hard for them to find food.

It wouldn't be surprising if it were hard to reproduce in other countries, because you couldn't reproduce it in most of the US either.

It's not because fresh ingredients are hard to come by.

One reason women may feel exhausted is that they have a hard time saying no.

One way is by telling stories about achievements that result from hard work.

Postal services work hard to identify items that require priority treatment.

The assumption is that children shouldn't chat in the classroom because it hinders hard work; instead, they should learn to delay gratification so that they can pursue abstract goals, like going to college.

The three environmental trends—the shortage of fresh water, the loss of topsoil and the rising temperatures—are making it increasingly hard to expand the world's grain supply fast enough to keep up with demand.

There are no special people, just people who put in enough hard work until something special happens.

They worked hard at whatever they did, but they had a sense of achievement.

While alternative estimates of the damage from carbon emissions differ, and it's especially hard to reckon the likely costs of possible catastrophic climate events, most estimates suggest substantial negative effects.

Most American parents say they are not concerned about their children's grades as long as they work hard.

Whether this is right, and if so where and when the ecological axe will fall, is hard to determine with any precision—which is why governments and financial institutions are only beginning to bring such risks into their economic calculations.

The changes would have to be approved or rejected as a whole by Congress, making it hard for narrow-interest lobbies to bend lawmakers to their will.

Here are some of the important proposals in the House and Senate bills to try to address those problems, and why it is hard to know how well they will work.

Changes in policy would be approved or rejected as a whole so that lobbyists would find it hard to influence lawmakers.

But finding hard evidence to support the thesis is not so easy.

With several monitoring stations operating in Antarctica, Russia is trying hard to counter America's dominance in the field of worldwide navigational facilities.

Some countries have had a hard time here.

It is hard to say whether it is good or bad.

Companies are pushing it hard but make it almost overwhelming even to dip a toe in the water for the average consumer, because there are so many compatibility issues to think about.

And it is hard not to think: Are we in an innovation lull ( ' , 间歇期 )?In some ways, the answer is yes.

Americans are working longer and harder hours than ever before.

The outer layers of the volcano were worn away until the hard core stood completely exposed.

That’s what hard-working men and women say to justify their lavish vacations, big stereo systems or regular restaurant meals.

Whether it's a sports team or a presidential campaign, everybody relishes having the big momentum, because it makes them harder to stop or change direction.

There is no doubt that spaceflight entails risks, and to pioneer a new mode of travel is to face those risks, and to reduce them with the benefit of hard-won experience.

So a heavy object, like a football player moving at a high speed, has a lot of momentum — that is, once be is moving, it is hard to change his state of motion.

No matter how hard you try, you can't turn something that large on a dime ( ' , 10 美分硬币 ),or even a few thousand dimes.

It is easy to change a light bulb, sure, but it is harder to change the bulb and its fixture.

It has tried hard to satisfy students' various needs.

Inequality is dangerous, he argued, not merely because it doesn't look good to have a large gap between the rich and the poor, but because inequality itself destroys upward mobility, making it harder for the poor to escape from poverty.

Despite mournful polar bears and charts showing carbon emissions soaring, most people find it hard to believe that global warming will affect them personally.

As recent graduates can testify, the job market isn't kind to candidates who can't demonstrate genuine competence, along with a well-cultivated willingness to work hard.

A number of prominent economists have also argued that it's harder for the poor to climb the economic ladder today because the rungs（横档） in that ladder have grown farther apart.

\It's been hard not to share pictures of her because people always want to know how babies and toddler (学走路的孩子) are doing and to see pictures, but we made the decision to have social media while she did not,\ O'Hanlon said.

And it is hard not to think: Are we in an innovation lull?

And the funny thing is that if you love what you do and are really passionate about it and work really hard, the money kind of comes automatically.

As careers and vocations become less available during times of recession, adolescents may be especially hard hit.

But convincing open-minded dairy people is actually not that hard, when you look at the economics.

But the other team members were working as hard and long as he was.

Choosing the right career can be hard.

Companies are pushing it hard but make it almost overwhelming even to dip a toe in the water for the average consumer, because there are so many compatibility issues to think about.

For instance, DeWalt discovered that many contractors were holding on to their old tools, even if they no longer worked, because they were expensive purchases and it was hard to justify bringing them in to recycle.

Gathering your resources to \try hard\ requires burning energy in order to overcome your currently low arousal level.

He laid off several hundred workers; especially hard hit were the blue- and pink-collar departments such as subscription fulfillment.

However, it is very hard to demonstrate causes using non-experimental data such as this.

I had to be really persistent and it was very hard work.

I know it's the end of high school, but many of my classmates are going on to the same university and we are still required to study hard, so what's the difference?

Kristi King, a diet specialist at Texas Children's Hospital, finds it's hard to get teenager patients' attention about healthy eating.

Natural talent helps in some way, but at the end of the day you really do need to work hard and get really, really good at what you do.

Navajo is hard to learn and only a few people know it.

No matter how hard you try, you can't turn something that large on a dime, or even a few thousand dimes.

Now, the only apparent cost to taking infinite photos of something as common as a meal is the space on your hard drive and your dining companion's patience.

Once upon a time, Americans thought that if they work hard enough even in the face of adversity, they would be rewarded with success.

She found she did spend a lot less money because it is incredibly hard to predict how much cash one is going to need—she was forever drawing money out of Cashpoints.

She is hard at work finding a way to take traits from rare wild plants that adapt to extreme dry weather and use them in food crops.

So a heavy object, like a football player moving at a high speed, has a lot of momentum — that is, once he is moving, it is hard to change his state of motion.

So far, machines have a pretty hard time emulating creativity, arbitrary enough not to be predicted by a computer, and yet more than simple randomness.

So, as you see, it's very hard to say which one is better.

The turmoil on the ground in physical retail is hard to square with the Census data.

One reason why it is hard to design and teach such courses is that they cut across the insistence by top American universities that liberal-arts education and professional education should be kept separate, taught in different schools.

It’s hard to imagine that many people are dumb enough to want children just because Reese and Angelina make it look so glamorous: most adults understand that a baby is not a haircut.

Even though the day-to-day experience of raising kids can be soul-crushingly hard, Senior writes that “the very things that in the moment dampen our moods can later be sources of intense gratification and delight.

The hardest task that television asks of anyone is to turn the power off after he has turned it on.

Law-school debt means that they have to work fearsomely hard.

It is financially terrifying, psychologically embarrassing and you know that support is minimal and extraordinarily hard to get.

It is hard, the state argues, for judges to assess the implications of new and rapidly changing technologies.

It’s a really hard thing to do and it’s a tremendous luxury that BuzzFeed doesn’t have a legacy business,” Peretti remarked.

Likewise,automation should eventually boost productivity, stimulate demand by driving down prices, and free workers from hard, boring work.

\It's a really hard thing to do and it's a tremendous luxury that BuzzFeed doesn't have a legacy business,\ Peretti remarked.

\When I come home from a hard day's work, I often feel tired,\ Danaher says, adding,\In a world in which I don't have to work, I might feel rather different\ - perhaps different enough to throw himself into a hobby or a passion project with the intensity

An increase in involuntary part-time work is evidence of weakness in the labor market and it means that many people will be having a very hard time making ends meet.

And picking crops is hard on older bodies.

But because hard laughter is difficult to sustain, a good laugh is unlikely to have measurable benefits the way, say, walking or jogging does.

Certainly, it's incredibly hard to maintain patience at all times with your children.

Hard times may hold you down at what usually seems like the most inopportune time, but you should remember that they won't last forever.

Having said all of the above, it's important to add that we shouldn't try too hard to be happy.

Here's what hard science reveals about eye contact.

I also found that weighing myself daily did not provide an accurate  depiction of the hard work and progress I was making in the gym.

If you look hard enough, you'll find that many of the products we use every day—chewing gums, skin moisturizers, disinfecting wipes, air fresheners, water purifiers, health snacks, antiperspirants, colognes, teeth whiteners, fabric softeners, vitamins—are

It is hard to get right, and requires a remarkable degree of vision, as well as cooperation between city authorities, the private sector, community.

It is hard to shove for attention billionaire-pound infrastructure projects, so it is inevitable that the attention is focused elsewhere.

It might also be hard for airlines to coordinate the departure times and destinations of passenger aircraft in a way that would allow them to gain from formation flight.

It's hard to imagine that many people are dumb enough to want children just because Reese and Angelina make it look so glamorous: most adults understand that a baby is not a haircut.

It's not as hard for them to transform their thought processes as it is for older students.

It's not hard to imagine a similar reversal happening in London.

It's not hard to imagine that local culture and sentiment would help shape how executives think about the future. \It surely seems plausible that happy people would be more forward-thinking and creative and lean towards R&D more than the average,\ said on

likewise, automation should eventually boost productivity, stimulate demand by driving down prices, and free workers from hard, boring work.

One reason why it is hard to design and teach such courses is that they cut across the insistence by top American universities that \liberal-arts education and professional education should be kept separate, taught in different schools\.

Scientists say the compound is \bound to be carcinogenic\ but have no hard scientific proof.

These epochal figures represented lives hard to imitate, but to be acknowledged as possessing higher authority than mere mortals.

This suggests that the alleged \Hawthorne effect\ is hard to pin down.

We will have to wait and see exactly how these hard times will reshape our social fabric.