none of my business
不关我的事。
It's none of my business.
其实不关我的事
It actually has nothing to do with me.
— 花样年华 (2000)
怎么不关我的事
How is that not my business?
— 触不可及 (2011)
那是你的问题，可不关我的事
That’s your problem, not mine.
— 搏击俱乐部 (1999)
还不关我的事
It still has nothing to do with me.