我也不知道。

I don't know either.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 也不 yěbù
  1. neither
  2. nor
3 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao