YOU SAID:

I know that they know that they know I don’t know they know they don’t know

INTO JAPANESE

彼らは知っている、彼らは知っている、私は知らない、彼らは知っている、彼らは知らない

BACK INTO ENGLISH

They know, they know, I don't know, they know, they don't know

INTO JAPANESE

彼らは知っています、彼らは知っています、私は知りません、彼らは知っています、彼らは知りません

BACK INTO ENGLISH

They know, they know, I don't know, they know, they don't know