know one's onions

动词 v.
中文释义

英文释义

动词 v.
  1. Synonym of know one's stuff, to be knowledgeable about a given subject or task. informal
    — Joe really knows his onions when it comes to cooking.

词形变化

knows one's onions present,singular,third-person knowing one's onions participle,present knew one's onions past known one's onions participle,past
0 次浏览 数据来源: Wiktionary