His sincerity is undoubted.
他的诚意是无容置疑的'。
I can say in all sincerity that I knew nothing of these plans.
我可以十分坦诚地说，这些计划我一无所知。
His obvious sincerity inclined me to trust him.
他满脸的真诚，让我愿意相信他。
Please accept our sincere apologies.
请接受我们真诚的道歉。
Sincere performances and gritty Boston settings add to the film's realism.
真诚的表演和对波士顿这一背景城市的真实刻画增添了电影的现实主义色彩。