on second thought

• 经过重新考虑, 在仔细考虑以后

on second thought的用法和样例：

例句

1. I said I wouldn't do it, but on second thought I think I will.
   我说我不会做此事，但再细想一下我想我是会做的。
2. He have intended to go, but on second thought, he give up the idea.
   他本来想去，但进一步考虑後，打消了这个念头。
3. On second thought I think I'd better go now.
   再三考虑后，我想最好现在走。
4. You are so bold that you never do something on second thought.
   你太鲁莽，从来不知道深思熟虑后做事。