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(well) up on (or in)

Definition of well up on or in in English:

Well informed about: he was up on the latest methods
More example sentences
  • Even officials who would presumably be up on such issues appeared fuzzy about the central questions.
  • She wanted to be be up on any news sent to them.
  • However, you two don't seem to be up on current events.
See parent entry: up
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