I can run fast.

我能跑得快。

He pretended to be hurt and unable to run fast.

他假装自己受伤，不能跑得快。

The race started and Dale tried his best to run fast.

比赛开始了，戴尔尽他的全力跑得快些。

They can stay alive because they run fast to avoid lions and other enemies.

它们能活下来是因为它们跑得快，能够避开狮子和其他敌人。

She lost the game because the weight of her shoes made it difficult for her to run fast.

她输了比赛，因为鞋子的重量使她很难跑得快。

You don't have to run fast.

你不必跑得很快。

Sled dogs can run fast.

雪橇狗跑得快。

In 'run fast', the adverb 'fast' is a postmodifier.

在run fast中，副词fast是后置修饰词。

Camels can run fast on sand with large feet.

骆驼的大脚使它在沙地上跑得很快。

You don't have to run fast or for long to see the benefit.

你不需要跑得多快、多久，就能看到好处。

This animal is a horse. A horse can run fast.

这是一匹马。马跑得很快。

I run fast than he.

我跑的比他还快。

He can really run fast.

他确实跑得很快。

Yes. You can run fast.

是的。虽然你能跑的快。

I did run fast enough to catch the bus.

我跑得很快，追上了那辆公共汽车。

Rabbits run fast.

兔子跑得快。

Does it run fast?

它跑得很快吗？

You could not catch him however you run fast.

无论你跑得多快，你都不可能赶上他。

If you see a thief, you should run fast and stop him.

如果你看见小偷，你应该快速跑上去并阻止他。

Pronghorn run fast—upwards of 60 miles an hour—but they rarely jump fences.

叉角羚跑的快——每小时60英里（约97公里）以上——但是它们很少跳栅栏。

Run fast for short intervals, then walk or jog slowly to recover and repeat.

一段短时间内快跑，然后跑慢一点或用走的恢复然后重复这样的节奏。

Most native XML databases provide XQuery extensions that are designed to run fast.

大多数原生xml数据库提供用于快速运行的XQuery扩展。

They can't run fast or scare an enemy off with a loud roar or spray a predator with a noxious scent.

它们跑不快，没有大声的咆哮可以吓走敌人，也不能散发出讨厌的气味熏走敌人。

Sprinters pull this muscle more than distance runners, but as I discovered, even straining your hamstring can limit your ability to run fast.

短跑者比长跑者更多地使用这块肌肉，不过照我的观察如果后腿腱紧张也会限制你的速度。

Milton tells himself to run, and naturally he would have to run fast indeed in order to arrive at a moment in time that had already occurred before he even set out!

弥尔顿告诉自己要跑起来了，而且他也确实不得不跑的很快,从而准时到达,他刚出发时就已经存在的目的地！

Even worse is the case where things normally run fast, except for the boss or that important customer who complains that their operations always seem to run at a snail's pace.

更糟糕的是，应用程序平时运行正常，老板或者重要客户操作应用的时候却反应缓慢。

While it's a big challenge to secure native Client, we believe that the ability to safely run fast native code in a browser has the potential to provide benefits to users and developers.

尽管保证Native Client的安全性是一个巨大的挑战，我们坚信在浏览器中安全的运行快速本地代码的能力有益于用户和开发者。

Once the body knows how to run fast, at slower speeds, there is less effort required resulting in reduced energy expenditure which will assist in saving energy for the latter stages of any event.

一旦你的身体知道如何快速跑，那在较低的速度下你需要的能量就更少，这样就减少了能量消耗，为后续阶段的跑步储存了能量。