YOU SAID:

I don't understand what this is doing at all

INTO JAPANESE

これがすべてで何を理解していません。

BACK INTO ENGLISH

This is not at all understand what.

INTO JAPANESE

これは全然理解していないもの。

BACK INTO ENGLISH

It's not just don't understand.

INTO JAPANESE

それはない理解していません。

BACK INTO ENGLISH

It is not do not understand.

INTO JAPANESE

それはない理解していません。

BACK INTO ENGLISH

It is not do not understand.