n [U] quality of being sincere; honesty 真诚; 诚挚; 诚实
*the warmth and sincerity of his welcome 他热情而真诚的欢迎.
when someone is sincere and really means what they are saying
I don't doubt her sincerity, but I think she's got her facts wrong.
May I say in all sincerity that we could not have achieved this much without your help and support.
1. The adolescent, with his passion for sincerity, always respects a parent who admits that he is wrong, or ignorant, or even that he has been unfair or unjust. 青少年酷爱真诚，对于能够承认错误或无知、甚至承认自己做得不分平或不公正的父母，他们总是尊敬的，
2. I have a query about his sincerity. 我对他的诚意有怀疑。
3. I was moved by his sincerity. 我被他的真诚感动了.