傻事

dā ying wǒ nǐ bù huì zuò shǎ shì

答应我你不会做傻事。

Promise me you won't do anything stupid.

wǒ jiù shì bù dǒng nǐ wèi shén me yào gàn chū zhè zhǒng shǎ shì

我就是不懂你为什么要干出这种傻事。

I just don't understand why you go and do such silly things.