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English definition of “sit in for sb”

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sit in for sb

verb uk phrasal verb with sit   /sɪt/ ( present participle sitting, past tense and past participle sat) us  
to take the place of someone who would normally do a particular job or go to a particular meeting: Mr Baker is ill today, so Miss Dixon is sitting in for him (as your teacher).
Translations of “sit in for sb”
in Chinese (Traditional) 代替(某人)履行職責, 代(某人)出席會議…
in Chinese (Simplified) 代替(某人)履行职责, 代(某人)出席会议…
(Definition of sit in for sb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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