1
general::
Phrase(s): hold no brief for someone or something
not to tolerate someone or something; to be opposed to someone or something. • I hold no brief for Wally and his friends. • Rachel holds no brief for that kind of thing.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Refuse to support, dislike, as in I hold no brief for liars. This term is a negative version of the legal expression hold a brief for, meaning "to support or defend a position by argument." The noun brief has been used in this way since the 1200s.
American Heritage Idioms