none of one's business
Not one's concern, as in How much I earn is none of your business. This expression employs business in the sense of “one's affairs,” a usage dating from about 1600. (Also see mind one's own business.) A slangy, jocular variant from about 1930 is none of one's beeswax. The related verb phrase have no business is used to indicate that one should not meddle or interfere, as in He has no business discussing the will with outsiders.
Words nearby none of one's business
How to use none of one's business in a sentence
Added to drinking water at concentrations of around one part per million, fluoride ions stick to dental plaque.
None of these, though, has inspired quite the same backlash as fluoride.
In his view, a writer has only one duty: to be present in his books.
Yet this, in the end, is a book from which one emerges sad, gloomy, disenchanted, at least if we agree to take it seriously.
The fear of violence should not determine what one does or does not say.
Practise gliding in the form of inflection, or slide, from one extreme of pitch to another.Expressive Voice Culture|Jessie Eldridge Southwick
He alludes to it as one of their evil customs and used by them to produce insensibility.
There was a rumor that Alessandro and his father had both died; but no one knew anything certainly.Ramona|Helen Hunt Jackson
Truth is a torch, but one of enormous size; so that we slink past it in rather a blinking fashion for fear it should burn us.Pearls of Thought|Maturin M. Ballou
Under the one-sixth they appear as slender, highly refractive fibers with double contour and, often, curled or split ends.A Manual of Clinical Diagnosis|James Campbell Todd