遭殃

先下手为强，后下手遭殃。

先下手爲強，後下手遭殃。

Get them before they get us.

俗話說：人不犯我，我不犯人；可俗話又說：先下手為強，後下手遭殃!

As the saying goes: As long as you don't offend me, I won't offend you. But there's another saying: To strike first means victory, to strike second means tragedy.