know one's head from one's ass

动词 v.

英文释义

动词 v.
  1. Synonym of know one's ass from a hole in the ground.

词形变化

knows one's head from one's ass present,singular,third-person knowing one's head from one's ass participle,present knew one's head from one's ass past known one's head from one's ass participle,past
5 次浏览 数据来源: Wiktionary