YOU SAID:

No need to call me sir, professor

INTO JAPANESE

先生、先生と呼ぶ必要はありません

BACK INTO ENGLISH

You don't have to call me a teacher, a teacher.

INTO JAPANESE

あなたは私を教師、教師と呼ぶ必要はありません。

BACK INTO ENGLISH

You don't have to call me a teacher, a teacher.