YOU SAID:
i don't really know how this works
INTO JAPANESE
私はこれがどのように機能するのか本当に知りません
BACK INTO ENGLISH
I really do not know how this works
INTO JAPANESE
私は本当にこれがどのように機能するのかわからない
BACK INTO ENGLISH
I really do not know how this works
That didn't even make that much sense in English.