YOU SAID:
I wish you many joyous birthdays
INTO JAPANESE
たくさんの喜ばしい誕生日をお祈りします
BACK INTO ENGLISH
I wish you many happy birthdays.
INTO JAPANESE
お誕生日おめでとうございます。
BACK INTO ENGLISH
Happy birthday to you!
INTO JAPANESE
お誕生日おめでとうございます。
BACK INTO ENGLISH
Happy birthday to you!
Come on, you can do better than that.