poke your nose into
US /poʊk jʊər noʊz ˈɪntuː/
UK /poʊk jʊər noʊz ˈɪntuː/

1.
首を突っ込む, 干渉する
to try to discover things that do not concern you
:
•
She always likes to poke her nose into other people's business.
彼女はいつも他人のことに首を突っ込みたがる。
•
Don't poke your nose into matters that don't concern you.
関係のないことに首を突っ込むな。