poke one's nose in sth

poke one's nose in sth AND put one's nose in sth AND stick one's nose in sth (interfere in someone's business) — совать свой нос во что-л.; совать нос в чужие дела; проявлять (нездоровое) любопытство

Example 1: I wish you wouldn't put your nose in where it's not wanted.

Example 2: Lara is always putting her nose in other people's affairs.

See also
[любопытная варвара]
[любопытной варваре нос оторвали]
[nosey Parker]
[peeping Tom]