1.Wish you a wonderful future!

　　祝你前程似锦!

　　2.Wish you many a good luck!

　　祝你好运多多!

　　3.Bests for you and congratulations!

　　致最良好的祝愿!祝贺你!

　　4.Congratulations on becoming a new student in Tsinghua!

　　祝贺你成为一名清华大学新生!

　　5.Sweetie,you are the smartest person in the whole world.I'm proud of you!

　　亲爱的，你是世界上最聪明的人。我为你感到骄傲!

　　6.I always believe you are the best!

　　我一直认为你是最优秀的!

　　7.Well done! Congratulations!

　　干得漂亮!祝贺你!

　　8.Hope you are the best!

　　愿你是最出色的!

　　9.Wish you joy and success in the prestigious Beijing Unicersity!

　　祝你在北大快乐和成功!

　　10.Good job!

　　祝你学业有成!