YOU SAID:
Go away my very good sir
INTO JAPANESE
私の非常に良い先生を去りなさい
BACK INTO ENGLISH
Leave my very good teacher
INTO JAPANESE
私のとても良い先生を残しなさい
BACK INTO ENGLISH
Please leave my very good teacher
INTO JAPANESE
私のとても良い先生を残してください
BACK INTO ENGLISH
Please leave my very good teacher
That didn't even make that much sense in English.