我为什么一定要知道呢？

Why must I know about it?

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 为什么 wèishénme
  1. why?
  2. for what reason?
3 一定要 yīdìngyào must
4 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao
=5 呢 ne
  1. particle indicating that a previously asked question is to be applied to the preceding word ("What about ...?", "And ...?")
  2. particle for inquiring about location ("Where is ...?")
  3. particle signaling a pause, to emphasize the preceding words and allow the listener time to take them on board ("ok?", "are you with me?")
  4. (at the end of a declarative sentence) particle indicating continuation of a state or action
  5. particle indicating strong affirmation
=5 呢 ní dense wool fabric (used for coats and jackets)