装聋作哑

tā zhuāng lóng zuò yǎ shuō yī diǎn yě bù zhī dào

她装聋作哑，说一点也不知道。

She pretended to know nothing about it.

tā zhuāng lóng zuò yǎ bù lǐ cǎi tā qī zi de láo dao

他装聋作哑，不理睬他妻子的唠叨。

He affected deafness to ignore his wife's nagging.

tā men dàng shí zhī dào qí shì xiàn xiàng réng rán cún zài dàn shì nìng yuàn zhuāng lóng zuò yǎ

他们当时知道歧视现象仍然存在，但是宁愿装聋作哑。

They knew that discrimination was going on, but chose to ignore it.