YOU SAID:
I love what I don't know.
INTO JAPANESE
私は知らない何が大好きです。
BACK INTO ENGLISH
I don't know what is love.
INTO JAPANESE
私は、愛とは何か分からない。
BACK INTO ENGLISH
I don't know what I love.
INTO JAPANESE
私は私の愛を知らない。
BACK INTO ENGLISH
I do not know my love.
INTO JAPANESE
私の愛がわからない。
BACK INTO ENGLISH
I do not know my love.
That didn't even make that much sense in English.