mind your own business
不要管闲事，专心自己的事
口语·直接要求对方别多管闲事
英文释义
to not interfere in someone else's affairs
例句
I know you're curious, but just mind your own business and focus on your work.
典故来源
直接源于英语日常用语，16世纪起使用，强调个人边界和不干涉他人事务。