装疯卖傻

to play the fool (idiom) / to feign madness

adornment / to adorn / dress / clothing / costume (of an actor in a play) / to play a role / to pretend / to install / to fix / to wrap (sth in a bag) / to load / to pack

insane / mad / wild

to sell / to betray / to spare no effort / to show off or flaunt

to play stupid / to act like an idiot

foolish