你认为你所认为的可以认为你知道我所知道的不必知道
[nĭ rèn wéi nĭ suŏ rèn wéi de kĕ yĭ rèn wéi nĭ zhī dào wŏ suŏ zhī dào de bù bì zhī dào]
An intricate sentence essentially playing with concepts of knowledge and understanding. It could loosely mean: 'you think you understand enough of what you think I know without needing full comprehension'. A clever but complex expression possibly indicating shared secrets or mutual understanding between specific individuals.