他的恳切请求打动了大家的心。

tā de kěnqiè qǐngqiú dàdòng le dàjiā de xīn.

His earnest request touched everyone's hearts.

我对你表示恳切的感谢。

wǒ duì nǐ biǎoshì kěnqiè de gǎnxiè.

I express my sincere gratitude to you.