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English definition of “clean sth up”

clean sth up

verb uk phrasal verb with clean   /kliːn/ us  

(CRIME)

to stop illegal or dishonest activity in a place or organization: We need a mayor who is tough enough to clean up this town.

(BAD BEHAVIOUR)

to stop or limit the violence, sex, or bad behaviour shown or contained in programmes or books, magazines, etc., to make them more acceptable: Some people think that television should be cleaned up.
(Definition of clean sth up phrasal verb, verb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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