以下是一些“毕业快乐”的英文表达方式：

  1. Happy Graduation!

  2. Congratulations on Your Graduation!

  3. Wishing you a happy graduation!

  4. May your graduation be filled with joy and success!

  5. Happy graduation day!

  6. You are welcome! May your future be as bright as your past.

  7. Best wishes for a joyful graduation ceremony!

  8. Congratulations on your special day!

  9. Wishing you all the best in your future endeavors!

  10. May your graduation be a day filled with happiness and achievements!

这些表达方式适用于各种场合，如毕业典礼、社交媒体祝福等。希望对你有所帮助！