it's none of your business
别问我们，这不关你的事
Don't ask us. This is none of your business.
— 指环王2：双塔奇兵 (2002)
这不关你的事
This is none of your business.
— 青春年少 (1998)
但这不关你的事
But that's none of your business.
— 为所应为 (1989)
这不关你的事。