keep nose out ofkeep (your) nose out of (something)
informal to not become involved in other people's activities or relationships.
What goes on between me and Pete is none of her business so she can keep her big nose out of it!
keep (one's) nose out of (something)
To not pry into something. Hey, keep your nose out of my private business—it has nothing to do with you anyway.
keep one's nose out of something
Fig. to stay out of something, such as someone else's business. (See also someone's business">keep one's nose out of someone's business.) Try to keep your nose out of stuff that doesn't concern you.Keep your nose out of my personal affairs.