蠢事

wǒ zài yě bù zuò nà zhǒng chǔn shì le

我再也不做那种蠢事了。

I will never do such a stupid thing again.

bié gàn nà zhǒng qīn zhě tòng chóu zhě kuài de chǔn shì

别干那种亲者痛、仇者快的蠢事。

Avoid foolish behaviour that offends one's friends and delights one's enemies.

zuò chǔn shì

做蠢事

play the fool

wǒ chéng rèn nà cì gàn de shì jiàn chǔn shì

我承认，那次干的是件蠢事。

It was a stupid thing to do, I admit.

tā dìng shì fā fēng le cái huì zuò zhè chǔn shì

他定是发疯了才会做这蠢事。

He must have blown his top to do such a foolish thing.