1.Graduation is not only an end to a period, also a commencement of a new period and I hope that future years will bring you continued happiness.
毕业不仅是一个时期的结束,而且是一个时期的开端。我希望未来的岁月将继续给你带来幸福。
2.Best wishes and congratulations on your graduation.
祝贺你毕业,并致以良好的祝愿。
3.May you have health, happiness and outstanding success in all your ventures.
愿你在不平凡的人生事业中健康、幸福、功绩卓著。