Mind your own business
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mind (one's) own business
To not interfere in someone else's affairs; to not pry or be nosy. Often used as an imperative. Mind your own business, will you? I can take care of my problems just fine. I really wish she would mind her own business and stop asking me about my finances. So there I was, minding my own business, when the security guard comes over and starts asking me all kinds of questions.
Mind your own business.and Get your nose out of my business.; Keep your nose out of my business.
Fig. Stop prying into my affairs. (Not at all polite. The expressions with get and keep can have the literal meanings of removing and keeping removed.) Andy: This is none of your affair. Mind your own business. Sue: I was only trying to help. Bob: How much did you pay in federal taxes last year? Jane: Good grief, Bob! Keep your nose out of my business! Tom: How much did it cost? Sue: Tom! Get your nose out of my business! "Hey!" shrieked Sally, jerking the checkbook out of Sue's grasp. "Get your nose out of my business!"
ˌmind your own ˈbusiness(spoken, informal) think about your own affairs and not ask questions about or try to get involved in other people’s lives: ‘Who was the girl I saw you with last night?’ ‘Mind your own business!’ ♢ I was sitting in a cafe minding my own business when a man came up to me and hit me in the face.
mind one's own business, to
To refrain from meddling, to keep to one’s own affairs. The wisdom of this course of action was observed in ancient times by Plato, Seneca, and others, and even found expression in the Bible (1 Thessalonians 4:11, “Do your own business”). In plain English it was expressed from the sixteenth century on. John Clarke used it in Paroemiologia (1639): “Mind your business.” Among many later writers echoing this sentiment was Lewis Carroll, in one of his enjoyable non sequiturs (Alice’s Adventures in Wonderland, 1865), “‘If everybody minded their business,’ the Duchess said in a hoarse growl, ‘the world would go round a great deal faster than it does.’”