三思

sān sī ér hòu xíng

三思而后行

look before you leap

shì guān zhòng dà qǐng nǐ sān sī

事关重大，请你三思。

This is really important, please give it some serious thought.

zhè hěn zhòng yào nǐ kě děi sān sī a

这很重要，你可得三思啊！

This is very important, you must think it over.

rén men zài zhāng kāi zuǐ zhī qián yīng gāi sān sī

人们在张开嘴之前应该三思。

People ought to think twice before opening their lips.