be none of someone's business
US /bi nʌn əv ˈsʌm.wʌnz ˈbɪz.nɪs/
UK /bi nʌn əv ˈsʌm.wʌnz ˈbɪz.nɪs/

1.
bukan urusan seseorang, tidak ada hubungannya dengan seseorang
to not be something that someone should be involved in or know about; to not concern someone
:
•
What I do in my free time is none of your business.
Apa yang saya lakukan di waktu luang bukan urusanmu.
•
Whether they get married or not is none of our business.
Apakah mereka menikah atau tidak bukan urusan kita.