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

1.
fazer um estrago em, prejudicar seriamente
to cause harm or damage to someone or something
:
•
The storm really did a number on our garden.
A tempestade realmente fez um estrago no nosso jardim.
•
His ex-girlfriend really did a number on him emotionally.
A ex-namorada dele realmente fez um estrago nele emocionalmente.
2.
enganar, ludibriar
to trick or deceive someone, often in a harmful way
:
•
The con artist really did a number on those unsuspecting tourists.
O golpista realmente enganou aqueles turistas desavisados.
•
I think he's trying to do a number on me to get me to agree.
Acho que ele está tentando me enganar para que eu concorde.