写法：祝贺信的主要内容：祝贺事由；祝贺语及正文；结束语。
祝贺信如同一般的简短书信，可长可短，格式上无特别的要求，但书写时应做到真诚、自然、亲切动人。内容上可尽情发挥。主要是以祝贺事由开头，随后写正文祝贺语发表自己的看法并用热情的语言向对方表示鼓励、赞扬、祝福。有时，也可以有所发挥，谈一些相关的看法和建议。如在祝贺成绩的贺信中，可以分析一下对方所取得成绩的主客观原因，最后用结束语结束。
Dear Jane,
I am writing this letter to express my sincerest congratulations on what you have achieved.
During the past years, you have kept working hard and devoted yourself into your major study. Now I am delighted that now your efforts are rewarded in this way. God helps those who help themselves. It is obvious that you will have a promising development in the coming years.
Once again, congratulations on your success and I am really very proud of you. I hope that you will make greater achievements in your future life.
Sincerely yours,
Li Ming
译文：
亲爱的简：
谨以此信来致以本人由衷的祝贺，恭喜您收获成功。
在过去的日子，您努力工作，专注于自己的专业领域。我很欣慰，您所付出的努力以这种方式得到回报，真是皇天不负苦心人。显而易见，您的未来必定前程似锦。
再一次表达祝贺，我以您为傲。我希望你在未来的生活能步步高升。
扩展资料：
祝贺信常用语句：
1、Please accept my sincere/hearty/warm congratulations on...
请接受我诚挚/衷心/热烈的祝贺。
2、This is a special and happy moment for you and I am very proud of your achievement.
这对你来说是一个特别而快乐的时刻，我为你的成就感到骄傲。
3、We wish to share your honor and joy。
我们愿与您分享荣誉和喜悦。
4、Wish you good luck!
祝你好运！