YOU SAID:
umm im not really sure wth this is...
INTO JAPANESE
うーん、これが本当にわからない...
BACK INTO ENGLISH
Hmmm, I really don't know this ...
INTO JAPANESE
うーん、私は本当にこれを知りません...
BACK INTO ENGLISH
Hmmm, I really don't know this ...
Come on, you can do better than that.