pretend to be ignorant of sth.
Pushing the deaf to be dumb, a Chinese idiom, Pinyin is Tu ī L ó ngzu ò y ǎ, which means pretending to be indifferent and know nothing. It's from naotongtai.
The origin of Idioms
Yuan · anonymous's "naotongtai" second discount: "now I pretend to be drunk like crazy, push deaf do dumb, wait for the time."
Idiom usage
I don't know. I don't know. I don't know.
pretend to be ignorant of sth.
talk about the past and the present - tán jīn lùn gǔ
The fist does not leave the hand, the tune does not leave the mouth - quán bù lí shǒu,qǔ bù lí kǒu