Subject + 来 + 祝贺 + Person
The verb 祝贺 (zhùhè) means "to congratulate" and is used when people come together to celebrate someone's achievement or happy occasion. It is more formal than 恭喜 and is commonly used in official or group settings. The person being congratulated follows directly as the object.
同事们一起祝贺她升职了。
tóngshì men yīqǐ zhùhè tā shēngzhí le.
The colleagues all congratulated her on her promotion together.
我代表全体同学祝贺你获奖。
wǒ dàibiǎo quántǐ tóngxué zhùhè nǐ huòjiǎng.
On behalf of all the students, I congratulate you on winning the award.
大家纷纷打电话祝贺他考上了研究生。
dàjiā fēnfēn dǎ diànhuà zhùhè tā kǎoshàng le yánjiūshēng.
Everyone called one after another to congratulate him on getting into graduate school.