以下为英文生日祝福的说法:
给长辈生日祝福的英文说法：
Happy Birthday to you 祝你生日快乐
Wishing you a happy birthday and be my friend forever 祝你生日快乐，祝我们友谊永固
Happy Birthday! I hope all your birthday wishes and dreams become true. 祝你生日快乐，梦想成真
Wishing you a fabulous birthday 祝你有个美满生日
给长辈生日祝福的英文电邮样本：
Dear (Name of receiver),
Happy Birthday! I know several bosses but none of them were as good as you. I look forward to the success which your hard work will be bringing. Always in awe of your work.
Best Regards,
(Your Name)
(Date)
给上司生日祝福的中文电邮样本：
（收件者名称）：
生日快乐！祝你财源广进，事事顺利，身体健康，心想事成。
（你的名字）上
（日期）
给上司生日祝福的英文电邮样本：
Dear (Name of receiver),
Happy Birthday! I know several bosses but none of them were as good as you. I look forward to the success which your hard work will be bringing. Always in awe of your work.
Best Regards,
(Your Name)
(Date)
给同辈生日祝福的英文说法：
My wish for you on your birthday is that you are, and will always be, happy and healthy!
希望你能做到你自己，活出自己，祝你生日快乐
Celebrate your birthday today. Celebrate being happy every day. 只有今天庆祝自己的生辰，但愿每天庆祝快乐的来临
Happy moments. Happy thoughts. Happy dreams. Happy feelings. Happy birthday. 祝你每天也有好的时刻，好的梦想，好的感觉，生日快乐！
给同辈生日祝福的电邮样本：
Dear (Name of receiver),
Celebrate your birthday today. Celebrate being happy every day. My wish for you on your birthday is that you are, and will always be, happy and healthy!
Best Regards,
(Your Name)
(Date)
给挚友生日祝福的电邮英文样本：
Dear (Name of receiver),
A friend like you is more priceless than the most beautiful diamond. You are not only strong and wise, but kind and thoughtful as well. Your birthday is the perfect opportunity to show you much I care and how grateful I am to have you in my life.
Best Regards,
(Your Name)
(Date)
给后辈生日祝福的英文说法：
Be happy! Today is the day you were brought into this world to be a blessing and inspiration to the people around you! Happy birthday! 今天是你的日子，请继续推动及祝福身边的人，生日快乐
Another adventure-filled year awaits you. Welcome it by celebrating your birthday. Wishing you a very happy and fun-filled birthday! 新一年有更多历险在等着你，迎接你的生日吧！祝你有个快乐的生辰。
Birthdays are a new start, a fresh beginning and a time to pursue new endeavors with new goals. Move forward with confidence and courage. Happy Birthday. 生日是个新的开始，找寻你新的目标，给自己更多的自信及勇气，生日快乐
