think twice

动词 think twice:

1. consider and reconsider carefully

1. I should think twice before I entrusted my money to a person like that.
   要我把钱交给那样一个人我得先好好考虑一下。
2. As this transaction involve a very large sum, buyer have to think twice before deciding.
   由于这笔交易金额很大，买主在做出决定之前必须再三考虑。
3. You should think twice about employing someone you've never met.
   你要雇用素未谋面的人应三思而行。
4. I advised him to think twice before deciding to quit school.
   我劝告他在决定退学之前再仔细考虑一番。