装疯卖傻 zhuāng fēng mài shǎ

DEFINITIONS

  1. to play the fool (idiom)
  2. to feign madness

CHARACTERS

装 zhuāng dress, clothes, attire; fill
疯 fēng crazy, insane, mentally ill
卖 mài sell; betray; show off
傻 shǎ foolish, silly, stupid; an imbecile