Knock on even a stone bridge before you cross it.
Better safe than sorry
look before leap
Think twice before acting/you do it 以上都是三思而后行,比较地道的说法.
I have decided to go the south to start over
我决定去南方闯一闯
Think twice before acting要三思而后行啊.
think twice before you leap 或者是look before you leap 都是正确的
look before you leap.
think twice before you leap
look before you leap