单词 | be (well) up on (or in) |
释义 | be (well) up on (or in)Be well informed about: they are well up on current environmental trends...
Synonyms well versed in, well informed about, conversant with, knowledgeable about, informed about, abreast of, apprised of, up to date on, au courant with; familiar with, acquainted with, au fait with, at home with, no stranger to; experienced in, proficient in, practised in, skilled in informal up to speed on, clued up on, genned up on, plugged into formal cognizant of dated perfect in See parent entry: up |
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