poke your nose into

US /poʊk jʊər noʊz ˈɪntuː/
UK /poʊk jʊər noʊz ˈɪntuː/
"poke your nose into" picture
1.

fourrer son nez dans, se mêler de

to try to discover things that do not concern you

:
She always likes to poke her nose into other people's business.
Elle aime toujours fourrer son nez dans les affaires des autres.
Don't poke your nose into matters that don't concern you.
Ne fourre pas ton nez dans des affaires qui ne te concernent pas.