"Congratulations" is the Engpsh equivalent of "恭喜" in Chinese.
The word "congratulations" is derived from the Latin word "congratulatio," which means "joy" or "rejoice."
Examples in Engpsh:
Congratulations on your new job!
Congratulations on your engagement!
Translations:
祝贺你的新工作！
祝贺你的订婚！