我不能自己做。

I couldn't do this all alone.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 不能 bùnéng
  1. cannot
  2. must not
  3. should not
3 自己 zìjǐ
  1. oneself
  2. one's own
4 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)