graduation is a time for rejoining and is also a time for reflection.you will be going out into the world to make a career for yourself.wish you well in all your understandings and hope that you will find your career a source of great joy and happiness.
畢業是歡慶的時刻，也是思考的時刻。你將進入社會，為新的事業而奮鬥。願你萬事順利，並希望你的事業成為你歡樂和幸福的源泉。
congratulations upon having received your doctorate in philosophy.i know this has meant years of study and hard work on your part, and it is an achievement you can well be proud of.i am sure, from the fine record, that you will be equally successful in whatever career you pursue.
祝賀你獲得博士學位，我知道這是你多年來勤奮學習、努力工作的結果，你應當為自己取得的成就而自豪。從你取得的優異成績來看，我深信你無論從事何種職業，都將獲得同樣的成功。
it was delightful news for me to learn that you have received a doctor’s degree from chicago university.to have reached this milestone at a young age is simple great.i really envy you the opportunities that lie ahead.hearty congratulations.
非常高興獲悉你取得芝加哥大學的博士學位，你這么年輕就在學業上成績如此卓著，實在令人欽佩。我衷心祝賀你!