YOU SAID:
Kevin is a big dumb dumb
INTO JAPANESE
ケビンは大のバカです
BACK INTO ENGLISH
kevin is a big idiot
INTO JAPANESE
ケビンは大バカだ
BACK INTO ENGLISH
kevin is so stupid
INTO JAPANESE
ケビンはとても愚かです
BACK INTO ENGLISH
kevin is so stupid
Well done, yes, well done!