1.congratulations on your graduation and hope the future will bring you success and a whole wide world of happiness.恭贺学成毕业，愿你吉星高照，鹏程万里！
2.congratulations on your graduation! wishing you a future filled with success and joy of seeing your dreams come true.恭祝学成毕业！愿您前途似锦，梦想成真。
3.may you enjoy to the fullest the happiness of today and the opportunity of each tomorrow.祝你享受今日的无上幸福与欢愉，愿你得到明天的每一个良机与幸运。