YOU SAID:

A very merry unbirthday to you to me.

INTO JAPANESE

私にとってあなたにとって非常に陽気な誕生日です。

BACK INTO ENGLISH

It's a very cheerful birthday for me and for you.

INTO JAPANESE

私にとってもあなたにとってもとても元気な誕生日です。

BACK INTO ENGLISH

It's a very healthy birthday for me and you.

INTO JAPANESE

私とあなたにとってとても健康的な誕生日です。

BACK INTO ENGLISH

It's a very healthy birthday for me and you.