I congratulate you with all my heart.

我祝贺你。

Our grateful thanks are due to you.

我你。

We gratefully acknowledge the contributions of everyone who helped us.

我每一位帮助我人所付出努力。

Sincere felicitation on ywe completing the postgraduate cwese or receiving the doctorate of science.

祝贺你修完博士生程并获得理学博士学位。

I sincerely hope that you will be successful.

我祝愿你成功。

I subscribe wholeheartedly to this theory.

我拥护这种理论。

She gave him her heartfelt thanks.

她向他表示。

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

我谨此向受害人家属表达我慰唁。

I’m deeply grateful to you.

我你。

Thank you kindly.

你。