I was very happy to learn that …
I was very delighted to hear the news that …
It is with great pleasure that I hear of your success .
Please accept my warmest / heartiest congratulations (最衷心的祝贺) .
Allow me to convey my congratulations on your promotion to …
How time flies ! Here you are graduating from high school and planning to attend the university in the fall .
Congratulations on a job well done , and good luck to you during the next four years of university .
Wish you good luck !
I wish you success and fulfillment in the years ahead .
Happy New Year to you and may each succeeding year bring you greater happiness and prosperity .