be no skin off someone's back
US /bi noʊ skɪn ɔf ˈsʌm.wʌnz bæk/
UK /bi noʊ skɪn ɔf ˈsʌm.wʌnz bæk/
1.
不關某人的事, 對某人沒有影響
to not be a problem or concern for someone; to not affect someone negatively
:
•
It's no skin off my back if you don't want to come.
如果你不想來，那不關我的事。
•
Whether they agree or not, it's no skin off my back.
他們是否同意，不關我的事。