ultracrepidarian
noun [ C ] uk/ˌʌl.trə.krep.ɪˈdeə.ri.ən/ us/ˌʌl.trə.krep.ɪˈder.i.ən/
假行家，不懂装懂的人
someone who has no special knowledge of a subject but who expresses an opinion about it
I avoid commenting on football for fear of being called an ultracrepidarian. 我避免评论足球，因为害怕被人说成是不懂装懂。
ultracrepidarian
adjective uk/ˌʌl.trə.krep.ɪˈdeə.ri.ən/ us/ˌʌl.trə.krep.ɪˈder.i.ən/
假装行家的，不懂装懂的
expressing an opinion about something that you have no special knowledge of
Her ultracrepidarian husband seems to know everything about everything. 她那不懂装懂的丈夫似乎对任何事情都无所不知。