YOU SAID:
i am a stupid human being
INTO JAPANESE
私は愚かな人間です
BACK INTO ENGLISH
I am a stupid person
INTO JAPANESE
私はばかな人です
BACK INTO ENGLISH
I am an idiot.
INTO JAPANESE
なんてバカなんだ
BACK INTO ENGLISH
I am an idiot.
You've done this before, haven't you.