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English definition of “clean up something”

clean up something

(MAKE NEAT) phrasal verb with clean    /klin/ verb [I/T]
to remove dirt from something or make something neat: We need to do something to clean up this mess and then get out of there. I have to clean things up before the guests arrive.
(Definition of clean up something (MAKE NEAT) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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