我不知道我不知道什么。

I don't know what I don't know.

Source: Tatoeba

Sentence Composition

1 我不知道 wǒbùzhīdào I don't know.
2 我不知道 wǒbùzhīdào I don't know.
3 什么 shénme
  1. what?
  2. something; anything