au fait
参考词典中au fait的常规释义：
基本释义
- adj.<法>熟悉的,精通的,能上任的
英英解释
1个形容词解释
- being up to particular standard or level especially in being up to date in knowledge
[同] abreast, au courant, au fait, up on
[例]- kept abreast of the latest developments
- constant revision keeps the book au courant
- always au fait on the latest events
- up on the news
点击查看……- being up to particular standard or level especially in being up to date in knowledge
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