sincere

1. ADJ If you say that someone is sincere, you approve of them because they really mean the things they say. You can also describe someone's behaviour and beliefs as sincere. (指人) 真誠的; (指行為、信仰) 誠摯的[表贊許]

He's sincere in his views. 他的意見是誠懇的。

2. sincerityN-UNCOUNT 真誠; 誠摯

I was impressed with his deep sincerity. 讓我銘記在心的是他深切的誠意。