在英语中，你可以使用下列祝福语来向长辈说祝福：

"Happy birthday!" (生日快乐！)
"Wishing you a happy and healthy birthday." (祝你生日快乐健康！)
"May all your wishes come true on your special day." (愿你的心愿在这特别的一天全部实现！)
"I hope your birthday is as wonderful as you are." (希望你的生日和你一样美妙！)
"May your birthday be filled with love, laughter, and all your favorite things." (愿你的生日充满爱、欢笑和你最喜欢的一切！)