off message
adverb [ after verb ], adjective uk/ˌɒfˈmes.ɪdʒ/ us/ˌɑːfˈmes.ɪdʒ/
（政治家）言论偏离本党主张地
(of a politician) saying things in public that are different from the official ideas of his or her political party
He was criticized severely by party leaders for going off message during the debate. 政党领导人严厉批评他在辩论中说了些不着调的话。
Compare: on message