have no business doing something
US /hæv noʊ ˈbɪz.nɪs ˈduː.ɪŋ ˈsʌm.θɪŋ/
UK /hæv noʊ ˈbɪz.nɪs ˈduː.ɪŋ ˈsʌm.θɪŋ/
1.
to have no right or reason to do something
:
•
You have no business doing something like that.
•
He had no business interfering in their private matters.