It's none of your business,is it?与你无关,不是吗?.
There is no business with you,is there?与你不存在瓜葛,不对吗?,
It doesn't have any business with you,does it?这件事与你没关系,不是吗?
Does it have anything to do with your peosonal business?这事与你的私事有关吗?
Isn't it foreign to your business?难道与你有关吗?
Isn't it independent of you?难道会让你插手吗?
What relation does it have with you?关你何事?