YOU SAID:

tomorrow is my birthday (just kidding)

INTO JAPANESE

明日は私の誕生日です(冗談でしょ)

BACK INTO ENGLISH

Tomorrow is my birthday (you're kidding me).

INTO JAPANESE

明日は私の誕生日です(あなたは私をからかっています)。

BACK INTO ENGLISH

Tomorrow is my birthday (you are make of me).

INTO JAPANESE

明日は私の誕生日です(あなたは私を作っています)。

BACK INTO ENGLISH

Tomorrow is my birthday (you are making me).

INTO JAPANESE

明日は私の誕生日です(あなたは私を作っています)。

BACK INTO ENGLISH

Tomorrow is my birthday (you are making me).