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English definition of “set sb off”

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set sb off

informal
verb uk phrasal verb with set   /set/ ( present participle setting, past tense and past participle set) us  
to cause someone to start doing something: [+ -ing verb] Every time I think about it, it sets me off laughing. She's finally stopped crying - now don't set her off again.
Translations of “set sb off”
in Chinese (Traditional) 使(某人)開始做…
in Chinese (Simplified) 使(某人)开始做…
(Definition of set sb off from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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