YOU SAID:

Lucas is stupid because he doesn't know anything

INTO JAPANESE

ルーカスは愚かだ。彼は何も知らないからだ。

BACK INTO ENGLISH

Lucas is foolish. He does not know anything.

INTO JAPANESE

ルーカスは馬鹿です。彼は何も知らない。

BACK INTO ENGLISH

Lucas is an idiot. He does not know anything.

INTO JAPANESE

ルーカスはばかです。彼は何も知らない。

BACK INTO ENGLISH

Lucas is an idiot. He does not know anything.