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English definition of “catch on”

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catch on

verb phrasal verb with catch  /kætʃ, ketʃ/ ( past tense and past participle caught  /kɔt/) us  

(UNDERSTAND)

to understand: We were teasing Jim, but he was slow to catch on that we were joking.
(Definition of catch on phrasal verb, verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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