YOU SAID:
How can someone be so dumb
INTO JAPANESE
なんでこんなに馬鹿な人がいるんだろう?
BACK INTO ENGLISH
Why would somebody be so stupid?
INTO JAPANESE
なぜ誰かがそんなに愚かなの?
BACK INTO ENGLISH
Why is somebody so stupid?
INTO JAPANESE
なぜそんなに馬鹿なの?
BACK INTO ENGLISH
Why are you so stupid?
INTO JAPANESE
バカな奴だ
BACK INTO ENGLISH
Twerp.
INTO JAPANESE
バカな奴だ
BACK INTO ENGLISH
Twerp.
That didn't even make that much sense in English.