我怎麼知道？

How should I know?

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 怎麼 zěnme
  1. how?
  2. what?
  3. why?
3 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao