You really must have your wits about your when dealing with such people.

跟这类人打交道，你必须格外警觉。

Could you please say it again?

你能重复一下吗？

Chances are ten to one that we'll have a economic recession.

我们十有八九会陷入经济衰退。

Rome wasn't built in a day.

罗马不是一天建成的。

Tomorrow is another day.

有明天就有希望。

I needed that like a hole in the head.

简直想要了我的命。