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

1.
hacer estragos en, hacer mucho daño a
to cause harm or damage to someone or something
:
•
The storm really did a number on our garden.
La tormenta realmente hizo estragos en nuestro jardín.
•
His ex-girlfriend really did a number on him emotionally.
Su exnovia realmente le hizo mucho daño emocionalmente.
2.
engañar, timar
to trick or deceive someone, often in a harmful way
:
•
The con artist really did a number on those unsuspecting tourists.
El estafador realmente engañó a esos turistas desprevenidos.
•
I think he's trying to do a number on me to get me to agree.
Creo que está tratando de engañarme para que acepte.