have someone's number

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

tahu sifat asli seseorang, tahu kelemahan seseorang

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.
Saya rasa saya sudah tahu sifat aslinya; dia hanya banyak bicara tapi tidak bertindak.
The detective quickly had the suspect's number and knew he was lying.
Detektif itu dengan cepat mengetahui sifat asli tersangka dan tahu dia berbohong.