词组 | be au fait with |
释义 | Idiom be au fait withbe au fait with (something) to know a lot about a subject.Are you au fait with the latest developments in computer technology? be au fait withTo be knowledgeable and prepared with the latest information on a particular subject. "Au fait" is French for "to the fact." Please review these reports so that you are au fait with the latest market trends. |
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