mess with
US /mes wɪð/
UK /mes wɪð/
1.
to interfere with or handle something in a way that may cause damage or problems
:
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Don't mess with the settings if you don't know what you're doing.
•
He warned me not to mess with his computer.
2.
to treat someone in a way that is disrespectful, aggressive, or challenging
:
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You don't want to mess with him; he's a tough guy.
•
She told him not to mess with her feelings.