YOU SAID:

I don't have any idea who that was.

INTO JAPANESE

私はそれだったどんな考えを持っていません。

BACK INTO ENGLISH

I do not have any idea it was.

INTO JAPANESE

それは任意のアイデアがありません。

BACK INTO ENGLISH

It does not have any idea.

INTO JAPANESE

それは、任意のアイデアがありません。

BACK INTO ENGLISH

It does not have any idea.