know one's stuff

动词 v.
中文释义

英文释义

动词 v.
  1. To be knowledgeable about and competent at a particular subject or task. informal,intransitive
    — Joe really knows his stuff when it comes to baseball.

词形变化

knows one's stuff present,singular,third-person knowing one's stuff participle,present knew one's stuff past known one's stuff participle,past

词汇关系

反义词
know one's ass from a hole in the ground
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