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English definition of “keep up”

keep up

verb uk phrasal verb with keep   /kiːp/ (kept, kept) us  
B2 to be able to understand or deal with something that is happening or changing very fast: I read the papers to keep up with what's happening in the outside world.Understanding and comprehending
(Definition of keep up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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