装糊涂

nǐ shén me yì si bié zhuāng hú tu le

你什么意思？别装糊涂了。

What do you mean? Don’t play dumb.

bù yào zhuāng hú tu zhè jiàn shì nǐ hěn qīng chu

不要装糊涂！这件事你很清楚。

Don't pretend. You know all about it.

nǐ yòng bu zháo gēn wǒ men zhuāng hú tu

你用不着跟我们装糊涂。

Don't bother pretending to be stupid with us.