do a number on

US /duː ə ˈnʌm.bər ɑn/
UK /duː ə ˈnʌm.bər ɑn/
"do a number on" picture
1.

faire des ravages sur, affecter gravement

to cause harm or damage to someone or something

:
The storm really did a number on our garden.
La tempête a vraiment fait des ravages sur notre jardin.
His ex-girlfriend really did a number on him emotionally.
Son ex-petite amie l'a vraiment affecté émotionnellement.
2.

tromper, manipuler

to trick or deceive someone, often in a harmful way

:
The con artist really did a number on those unsuspecting tourists.
L'escroc a vraiment trompé ces touristes sans méfiance.
I think he's trying to do a number on me to get me to agree.
Je pense qu'il essaie de me manipuler pour me faire accepter.