YOU SAID:
my sister is an idiot i am too
INTO JAPANESE
妹はバカです 私もバカです
BACK INTO ENGLISH
my sister is stupid i'm stupid too
INTO JAPANESE
私の妹はバカです 私もバカです
BACK INTO ENGLISH
my sister is stupid i am stupid too
INTO JAPANESE
私の妹はバカです 私もバカです
BACK INTO ENGLISH
my sister is stupid i am stupid too
That didn't even make that much sense in English.