YOU SAID:

My mom my dad my daughte my sister is dumb

INTO JAPANESE

私の母私の父私の娘私の妹は馬鹿です

BACK INTO ENGLISH

My mother my father my daughter my sister is a fool

INTO JAPANESE

私の母私の父私の娘私の妹はばかです

BACK INTO ENGLISH

My mother my father my daughter my sister is an idiot

INTO JAPANESE

私の母私の父私の娘私の妹はばかです

BACK INTO ENGLISH

My mother my father my daughter my sister is an idiot