YOU SAID:

Ok this is a very stupid idea

INTO JAPANESE

わかりました。これは非常に愚かなアイデアです

BACK INTO ENGLISH

Okay, this is a very stupid idea.

INTO JAPANESE

これは馬鹿げたアイデアだ

BACK INTO ENGLISH

This is a ridiculous idea.

INTO JAPANESE

これは馬鹿げた考えだ。

BACK INTO ENGLISH

This is a ridiculous idea.