YOU SAID:
Mother you've got to stop.
INTO JAPANESE
お母さん、やめなければならない。
BACK INTO ENGLISH
Mother, I have to quit.
INTO JAPANESE
お母さん、私はやめなければなりません。
BACK INTO ENGLISH
Mom, I have to quit.
INTO JAPANESE
お母さん、私は辞めなければなりません。
BACK INTO ENGLISH
Mom, I have to quit.
That didn't even make that much sense in English.