mess with

US /mes wɪð/
UK /mes wɪð/
"mess with" picture
1.

toucher à, tripoter

to interfere with or handle something in a way that may cause damage or problems

:
Don't mess with the settings if you don't know what you're doing.
Ne touche pas aux paramètres si tu ne sais pas ce que tu fais.
He warned me not to mess with his computer.
Il m'a averti de ne pas toucher à son ordinateur.
2.

chercher des noises à, jouer avec

to treat someone in a way that is disrespectful, aggressive, or challenging

:
You don't want to mess with him; he's a tough guy.
Tu ne veux pas chercher des noises à lui ; c'est un dur à cuire.
She told him not to mess with her feelings.
Elle lui a dit de ne pas jouer avec ses sentiments.