have second thoughts 重新想想

　　表示“重新想想”的意思。为了修改已经决定的事情而提出建议。如果说 not give it a second thought 的话就表示“不会重新考虑”，即“不担心某事”。

　　例句：

　　We're having second thoughts about it.

　　我们正在重新考虑。

　　Don't give it a second thought.

　　不要担心。

　　On second thought, I will have another cup of coffee.

　　重新想了想，我还是再来一杯咖啡吧。

　　对话：

　　A: Did you decide not to get married to Tim?

　　你决定不和提姆结婚了？

　　B: Yes, I had second thoughts about our relationship.

　　恩，我再三考虑了我们俩之间的关系。