YOU SAID:
Happy happy birthday, happy birthday cake!
INTO JAPANESE
幸せな幸せな誕生日、誕生日ケーキ!
BACK INTO ENGLISH
Happy birthday happy birthday cake!
INTO JAPANESE
ハッピーバースデー ハッピーバースデー ケーキ!
BACK INTO ENGLISH
Happy birthday happy birthday cake!
Come on, you can do better than that.