衷心

I congratulate you with all my heart.

贺你。

Our grateful thanks are due to you.

们感谢你。

We gratefully acknowledge the contributions of everyone who helped us.

们感谢每一位帮助们的人所付出的努力。

I sincerely hope that you will be successful.

愿你成功。

Sincere felicitation on your completing the postgraduate course or receiving the doctorate of science.

贺你修完博士生课程并获得理学博士学位。

She gave him her heartfelt thanks.

她他表示的感谢。

I subscribe wholeheartedly to this theory.

拥护这种理论。

We would like to take this opportunity to convey our heartfelt condolences to the families of the victims.

们谨此人家属表达们的慰唁。

I’m deeply grateful to you.

感谢你。