doctrinaire
adjective /ˌdɒktrɪˈneə(r)/
/ˌdɑːktrɪˈner/
(disapproving)- strictly following a theory in all circumstances, even if there are practical problems or people disagree
空谈理论的；脱离实际的；教条主义的 - a doctrinaire conservative
一个看重教条的保守分子 - doctrinaire attitudes/beliefs/policies
教条主义的态度／信条／政策
词源early 19th cent.: from French, from doctrine, from Latin doctrina ‘teaching, learning’, from doctor ‘teacher’, from docere ‘teach’. - a doctrinaire conservative