congratulation
noun uk/kənˌɡrætʃ.əˈleɪ.ʃən/ us/kənˌɡrætʃ.əˈleɪ.ʃən/
congratulations [ plural ]A2 祝贺（你），恭喜（你）
something that you say when you want to congratulate someone
"I got the job." "Did you? Congratulations!" “我拿到那个工作了。”“是吗？祝贺你！”
Congratulations on your engagement! 恭喜你们订婚了！
May I be the first to offer my congratulations on your promotion?
"I'm pregnant." "Wow, congratulations! I'm so happy for you!"
[ U ]（对某人的）祝贺
the act of congratulating someone
He sent her a note of congratulation on her election victory. 他发去贺信，祝贺她选举获胜。