zhuāng​suàn

feign ignorance

装蒜 (裝蒜) zhuāng​suàn
feign ignorance verb
to pretend not to know something or play dumb, typically to evade responsibility or deceive others

You clearly know the truth, so stop feigning ignorance.

Frequency

Movie subtitles
1.91 per million appears in 1% of films
Written text
0.259 per million

Sources

Definitions
CC-CEDICT