YOU SAID:

idontunderstandwhatthisisallabout

INTO JAPANESE

これが何なのか理解できない

BACK INTO ENGLISH

i don't understand what this is

INTO JAPANESE

これが何なのかわかりません

BACK INTO ENGLISH

i don't know what this is

INTO JAPANESE

これが何なのかわからない

BACK INTO ENGLISH

i don't know what this is