YOU SAID:
That driver is a moron
INTO JAPANESE
その運転手は馬鹿だ
BACK INTO ENGLISH
That driver is stupid.
INTO JAPANESE
そのドライバーはばかです。
BACK INTO ENGLISH
That driver is an idiot.
INTO JAPANESE
その運転手はばかだ。
BACK INTO ENGLISH
That driver is an idiot.
That didn't even make that much sense in English.