YOU SAID:

i do not know how some people do not understand that they do not understand anything

INTO JAPANESE

一部の人が何も理解していないことをどのように理解していないのかわかりません

BACK INTO ENGLISH

I don't know how some people don't understand what they don't understand

INTO JAPANESE

一部の人が理解していないことをどのように理解していないのかわかりません

BACK INTO ENGLISH

I don't know how I don't understand what some people don't understand

INTO JAPANESE

一部の人が理解していないことを理解していないのか分からない

BACK INTO ENGLISH

I don't know if I don't understand what some people don't understand

INTO JAPANESE

一部の人が理解していないことを理解していないのかわかりません

BACK INTO ENGLISH

I don't know if some people don't understand what they don't understand

INTO JAPANESE

一部の人が理解していないことを理解していないのかわかりません

BACK INTO ENGLISH

I don't know if some people don't understand what they don't understand