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English definition of “follow sth up”

follow sth up

(US also follow up on sth) phrasal verb with follow     /ˈfɒl.əʊ/ US  /ˈfɑː.loʊ/ verb
B2 to find out more about something, or take further action connected with it: The idea sounded interesting and I decided to follow it up. He decided to follow up on his initial research and write a book.Analysing and evaluatingAssessing and estimating value
(Definition of follow sth up from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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