Explanation: No need to interfere in other people's things while Source: Qing Shi Yukun "Chivalric Heroes" Forty-fourth back to you this man exceedingly rude. Why did you care so much? " Examples: Some streets spitting about, I went to stop, is it ~ it?
English Expression
: poke one's nose into something
n.: officiousness
v.: obtrude, poke one's nose into others' business, be a busybody