多管闲事怎么说？

stick one's nose into sth.很形象的说法，把某人的鼻子插到某个东西中间。

mind other people's business

It's none of your bussiness.
这个语气很凶的
"管你什么事"

none of youe business. back off

poke one's nose into other people's business

It is none of your bussiness.