我認識胡安，我們是同事。

I know John – he's a workmate of mine.

I know John – we're colleagues.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 認識 rènshi
  1. to know
  2. to recognize
  3. to be familiar with
  4. to get acquainted with sb
  5. knowledge
  6. understanding
  7. awareness
  8. cognition
=3 胡安 Húān Juan (Spanish given name)
=3 胡安 Hú'ān a transliteration of the Spanish male given name Juan
4 我們 wǒmen we; us; ourselves; our
=5 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=5 是 shì variant of 是 shì
6 同事 tóngshì colleague; co-worker