我为什么一定要那么做？

Why do I have to do that?

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 那么 nàme
  1. like that; in that way; to that extent
  2. (before a number) ... or so; about ...
  3. then; in that case
=4 那么 nàme variant of 那么 nàme
5 做 zuò
  1. to make; to produce
  2. to write; to compose
  3. to do; to engage in; to hold (a party etc)
  4. (of a person) to be (an intermediary, a good student etc); to become (husband and wife, friends etc)
  5. (of a thing) to serve as; to be used for
  6. to assume (an air or manner)