YOU SAID:
明らかではない
INTO JAPANESE
明らかではない
BACK INTO ENGLISH
not obvious
INTO JAPANESE
明確ではない
BACK INTO ENGLISH
not clear
INTO JAPANESE
定かでない
BACK INTO ENGLISH
Not sure
INTO JAPANESE
わからない
BACK INTO ENGLISH
I don't know
INTO JAPANESE
わからない
BACK INTO ENGLISH
I don't know
Come on, you can do better than that.