look before you leap
US /lʊk bɪˈfɔr ju lip/
UK /lʊk bɪˈfɔr ju lip/

成语
1.
三思而后行, 谋定而后动
think carefully about what you are going to do before you do it, because once it is done, you cannot change it
示例:
•
It's always wise to look before you leap when making big decisions.
做重大决定时,总是要三思而后行。
•
Don't just quit your job without a plan; look before you leap.
不要没有计划就辞职;要三思而后行。
在 Lingoland 学习这个单词