YOU SAID:
Stupid is as stupid does.
INTO JAPANESE
愚かな愚かなのです。
BACK INTO ENGLISH
It is a stupid stupid.
INTO JAPANESE
愚かな愚かです。
BACK INTO ENGLISH
Stupid stupid.
INTO JAPANESE
愚かな愚かな。
BACK INTO ENGLISH
Stupid stupid.
You've done this before, haven't you.