On the happy occasion of the Company's... anniversary I write to convey my hearty congratulations.

在贵公司创立……周年欢欣之际，献上我衷心的祝福。

youdao

I consider it a great privilege to say a word of hearty congratulation to Bob on the happy occasion of his birthday.

在鲍伯过生日的这个欢乐时刻，能够说句话向他表示由衷道贺，真是无比的荣幸。

youdao

On the occasion of the Spring Festival, my wife and I extend to you and yours our warmest greetings, wishing you a happy holiday, your career greater success and your family happiness.

在此春节之际，我同夫人向你及你的家人致以节日的问候，并祝你们节日快乐、事业有成、家庭幸福。

youdao