Pronunciation: /bi wɛl ʌp ɒn ɛs.tʃi/
verb to have a thorough understanding or knowledge of something
A1 I am not well up on the rules of this game.
A2 She is well up on the latest fashion trends.
B1 He is well up on the history of this city.
B2 The professor is well up on the latest research in his field.
C1 As a specialist, she is well up on all the technical details.
C2 Having studied the subject for years, he is well up on all the theories and concepts.
adverb indicating a high level of understanding or knowledge
A1 I am not well up on the rules of this game.
A2 She is well up on the latest fashion trends.
B1 As a history buff, he is well up on ancient civilizations.
B2 Being a technology expert, she is well up on the latest software developments.
C1 The professor is well up on the latest research findings in his field.
C2 Having studied the subject for years, she is well up on all the nuances of the theory.
formal It is important to be well up on the latest research findings in your field of study.
informal You should be well up on the rules before playing the game.
slang I'm not well up on all the slang terms the kids are using these days.
figurative She is well up on all the gossip in the office.
was well up on
are well up on
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have been well up on
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well up on