“祝贺你！”他拍着我的背说。

'Congratulations!' he said, slapping me on the back.

《牛津词典》

我开玩笑地说：让我祝贺你什么呢？

I jokingly said: Let me congratulate you on what?

youdao

“你们的旅程了不起，我很高兴能成为第一个祝贺你回来的人。”那人对南森说。

"You have made a good trip of it," the man told Nansen, "and I am awfully glad to be the first person to congratulate you on your return."

youdao