YOU SAID:

I don't know what I do not know

INTO JAPANESE

私は知らないのか分からない

BACK INTO ENGLISH

I do not know I do not know

INTO JAPANESE

わからないわからない

BACK INTO ENGLISH

I do not understand I do not understand

INTO JAPANESE

わかりませんわかりません

BACK INTO ENGLISH

I do not understand I do not understand