congratulations 是名词,恭喜;祝贺的意思.比如说:Congratulations!!! You have taken the first place in the exam! celebrate 是动词, 庆祝的意思.比如说: I come here to celebrate your success in the match.
congratulations通常是对别人成功等的祝贺!用法是congratulations on,也可以直接使用 celebrate指的是庆祝节日等 如:1.Congratulations on your success. 2.A:We got the job done! B:Congratulations 3.Celebrate the Spring Festival.