我第一次做到。

I did it for the first time.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
=2 第一次 dìyīcì the first time; for the first time
=2 第一次 dì-yīcì
  1. (euphemistic) first sexual experience
  2. (literally) first time
  3. first sexual experience
  4. first time
3 做到 zuòdào
  1. to accomplish
  2. to achieve