I have a sweet tooth.

我喜欢吃甜食。

It's about time.

时间差不多了。

Come to me if you're in any difficulty.

有困难来找我。

I must contact my lawyer before I make my final decision.

在做出最后决定之前，我必须先同我的律师联系一下。

Their chances of winning are slim.

他们取胜的机会很渺茫。

There is something in what she said.

她说的话里有些重要的内容。