have no business doing something | have no business to do something成語所屬單字businesshave no business doing something | have no business to do somethinghave no business doing something | have no business to do something — 慣用語慣用語1. To have no right or reason to do something.1.慣用語釋義無權做某事To have no right or reason to do something.例句You have no business reading my private emails.He had no business telling her what to do.