He works hard, but she works harder.

他工作很努力，但她工作更努力。

He is a taxi driver and he works hard.

他是一名出租车司机，他工作很努力。

He works hard, but he doesn't care for his health.

他工作努力，惟注意身体不够。

He works hard to help his patients.

他努力帮助病人。

It's a hard job, but he works hard to support the family.

工作很艰苦，但他依旧努力工作挣钱养家。

He works hard for 16 hours a day, so we can own a good home and do the things he never could.

他每天努力工作16个小时，所以我们可以有座好房子，做那些他永远不能做的事情。

Everyone can be successful if he or she works hard.

只要努力，每个人都能成功。

Nobody can succeed easily unless he works hard.

没有人能轻易成功，除非他努力工作。

Although grumbling sometimes, he works hard.

牢骚归牢骚，他工作可不含糊。

He works hard to improve daily.

他为了每天能进步而努力工作。

To win the game, he works hard.

为了赢得比赛，他刻苦练习。

Although he is ill, he works hard.

尽管他病了，但他仍努力工作。

Though he is very old, he works hard.

尽管他很老了，但他仍努力工作。

If you just watch him, he works hard.

如果你看看他，他很努力。

He works hard all day.

他整天都在使劲地干活。

Lian: he works hard and he relaxes hard!

丽安：他工作努力，休息起来也很努力。

He's in poor health, but he works hard.

虽然他身体不好，但他还是努力工作。

He will surely succeed for he works hard.

他肯定会成功，因为他学习很用功。

If he works hard, he will surely succeed.

如果努力工作，他肯定会成功。

You say he works hard. So he does, and so do you.

你说他很努力，对，他确实很努力，你也一样。

He works hard, but she works still harder [harder still].

他工作很努力，但她工作更努力。

He works hard to use the special gift that God gave him to help others.

他努力使用上帝给他的特殊天赋来帮助其他人。

He works hard not to impress his boss but to give his ability into full play.

他努力工作，不是为了给他的上司留下好印象，而是为了能够充分发挥他的才能。