know one's ass from one's elbow

短语

词形变化

knew one's ass from one's elbow knowing one's ass from one's elbow known one's ass from one's elbow knows one's ass from one's elbow 三单 knows one's ass from one's elbow knowing one's ass from one's elbow 现在分词 knew one's ass from one's elbow 过去式 known one's ass from one's elbow 过去式 known one's ass from one's elbow 过去分词

别名

know one's arse from one's elbow

释义与例句

v.
  1. 1.

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