我第一次知道这个网站。

This is the first time that I have heard of this website.

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 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao
4 这个 zhège
  1. (pronoun) this
  2. (adjective) this
5 网站 wǎngzhàn website