YOU SAID:
Happy birthday John! I can’t believe how old you are!
INTO JAPANESE
ジョンお誕生日おめでとう!あなたが何歳かは信じられない!
BACK INTO ENGLISH
Happy Birthday John! I can't believe how old you are!
INTO JAPANESE
お誕生日おめでとうジョン!あなたが何歳かは信じられない!
BACK INTO ENGLISH
Happy birthday John! I can't believe how old you are!
INTO JAPANESE
ジョンお誕生日おめでとう!あなたが何歳かは信じられない!
BACK INTO ENGLISH
Happy Birthday John! I can't believe how old you are!
INTO JAPANESE
お誕生日おめでとうジョン!あなたが何歳かは信じられない!
BACK INTO ENGLISH
Happy birthday John! I can't believe how old you are!
it is unlikely that this phrase will ever reach equilibrium