do someone a favor
US /duː ˈsʌm.wʌn ə ˈfeɪ.vər/
UK /duː ˈsʌm.wʌn ə ˈfeɪ.vər/

1.
membantu, melakukan kebaikan
to do something to help someone
:
•
Could you do me a favor and pick up my mail?
Bisakah kamu membantuku dan mengambilkan suratku?
•
I'll do you a favor this time, but don't expect it again.
Aku akan membantumu kali ini, tapi jangan berharap lagi.