hold on to your happiness. Happy birthday to you!

3、生日快樂，親愛的朋友，愿你天天快樂，年年好運，一生幸福！

Happy birthday, my dear friend. I wish you happiness every day, good luck every year and happiness in your life!

4、愿你的每一天都如畫一樣的美麗！生日快樂！

May your every day be as beautiful as a picture! Happy birthday!

5、愿我的祝福，如一縷燦爛的陽光，在您的眼里流淌，生日快樂！

May my blessing, like a ray of brilliant sunshine, flow in your eyes, happy birthday!