Those were great days and we were very happy.

那些日子美好极了，我们过得很幸福。

How can I ever repay you for your kindness?

我该怎样才能报答你对我的好意呢？

You'll never be in shape until you eat less and exercisemore.

只有少吃多锻炼才能健美。

He is now involved in stocks.

他现在热衷于股票。

He is tough to work with.

他很难共事。

You may pick as many apples as you please.

你爱摘多少苹果就摘多少。