YOU SAID:

Why is this so entertaining?

INTO JAPANESE

これはなぜとても面白い?

BACK INTO ENGLISH

This is a very interesting why?

INTO JAPANESE

これは非常に興味深い理由です。

BACK INTO ENGLISH

This is a very interesting reason.

INTO JAPANESE

これは非常に興味深いものです。

BACK INTO ENGLISH

This is very interesting stuff.

INTO JAPANESE

これは非常に興味深いものです。

BACK INTO ENGLISH

This is very interesting stuff.