诚恳的

He offered a sincere apology for his behaviour.

主动对己的行为诚恳地道了歉。

It is my earnest wish that you use this money to continue you study of music.

你用这笔钱继续学习音乐是我的诚恳愿望。

We should not insult them, take away their personal effects or try to exact recantations from them, but without exception should treat them sincerely and kindly.

不加侮辱，不搜财物，不要首，一律以诚恳和气的态度对待之。