闹笑话

bù dǒng zhuāng dǒng huì nào xiào hua

不懂装懂会闹笑话。

If you pretend to know what you don't know, you'll only make a fool of yourself.

wǒ běn lái xiǎng zhuō nòng yī xià tā men dàn zuì zhōng nào xiào hua de rén què shì wǒ

我本来想捉弄一下他们，但最终闹笑话的人却是我。

I thought I'd play a trick on them, but in the end the joke was on me.

nǐ bù yào gù yì nào xiào hua le

你不要故意闹笑话了。

Don't make a fool of yourself anymore.