1/congratulate释义：

vt. 祝贺；恭喜；庆贺

2/例句：

I was congratulated by my family and relatives.

我的家人和亲戚向我表示祝贺。

I congratulate you that you are the first Chinese champion in this competition.

祝贺您成为了这个比赛的第一名华人冠军。

3/有：

congratulate oneselfv. 感到庆幸

congratulate onv. 祝贺。