have someone's number

US /hæv ˈsʌm.wʌnz ˈnʌm.bər/
UK /hæv ˈsʌm.wʌnz ˈnʌm.bər/
"have someone's number" picture
1.

ter o número de alguém, conhecer as fraquezas de alguém

to know someone's true character or intentions, especially their weaknesses or secrets

:
I think I have his number; he's all talk and no action.
Acho que já o conheço bem; ele é só conversa e nenhuma ação.
The detective quickly had the suspect's number and knew he was lying.
O detetive rapidamente sacou o suspeito e sabia que ele estava mentindo.