YOU SAID:
i dont know what this is but hi
INTO JAPANESE
私はこれがこんにちはが何であるかわからない
BACK INTO ENGLISH
I do not know whether this is Hello is what
INTO JAPANESE
私はこれがハローかどうかわからない
BACK INTO ENGLISH
I do not know if this is a hello
INTO JAPANESE
これがハローかどうかはわかりません
BACK INTO ENGLISH
I do not know if this is a hello
You've done this before, haven't you.