Ⅰ形容词 (真心实意) sincere; honest 短语和例子 他是诚心诚意地想帮助你。 he has a sincere desire to help you.Ⅱ名词 (诚意) sincerity; earnestness 短语和例子 开诚布公 utter one's thoughts in sincerity and without reserve; 开诚相见 meet others in sincerityⅢ副词 [书面语] (实在; 的确) really; actually; indeed 短语和例子 诚非易事 be by no means easy; 诚然不错 good indeed; 诚非所料。 it is really unexpected. 诚如所言。 it is exactly as you said. 诚有此事。 there actually was such a thing