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English definition of “mess with sb”

mess with sb

informal
verb uk phrasal verb with mess   /mes/ us  
to treat someone in a bad, rude, or annoying way, or to start an argument with someone: I've warned you already, don't mess with me!
(Definition of mess with sb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of mess with sb?
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