have no business doing something
成語所屬單字business
have no business doing something — 慣用語
1. to do something that you have no right to do, or that is not your responsibility
1.慣用語
釋義
沒有資格做某事；不該做某事
to do something that you have no right to do, or that is not your responsibility.
例句
A six-year-old has no business riding that big motorbike around the yard.
Carlos had no business reading his sister's diary, and he knew it.