n.真诚；诚实；诚挚
Her sincerity has never been questioned. 她的诚意从未受到怀疑。
I'm certain about his sincerity. 我肯定他是真诚的。
I may say in all sincerity that you have been my most loyal friend. 我可以非常真诚地说，你一直是我最忠实的朋友。
Tom can't persuade himself of my sincerity. 汤姆始终无法说服自己相信我的诚实。
n.不诚实；无诚意；伪善
