◎ 素昧平生 sùmèi-píngshēng[have never met before] 昧:不了解。平生:平素,往常。一向不相识,不了解但与先生素昧平生,何以便知学生姓名?——《儒林外史》-----------------国语辞典：向来不相识。《初刻拍案惊奇．卷八》：「素昧平生，何劳厚意！」《儒林外史．第一五回》：「但与先生素昧平生，何以便知学生姓马？」也作「素昧生平」。英语 to have never met sb before (idiom); entirely unacquainted, a complete stranger, not to know sb from Adam德语 vollkommen unbekannt (Person)
不施脂粉而朝见皇帝。 -----------------国语辞典：唐代杨贵妃的妹妹虢国夫人常常不敷脂粉即朝见天子的故事。见宋《乐史．杨太真外传．卷上》。英语 lit. to present oneself confidently to the emperor, without makeup (as did the sister of Yang Guifei 楊貴妃|杨贵妃[Yang2 Gui4 fei1]) (idiom), fig. (of a woman) to show one's natural features, without makeup, to present oneself just as one is, without artifice