我必須先完成這個工作。

I must finish this work first.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 必須 bìxū
  1. to have to
  2. must
  3. compulsory
  4. necessarily
=3 先 xiān
  1. beforehand; first; earlier
  2. at first; originally
  3. for the time being; for now
  4. (prefix) my late (in referring to deceased relatives older than oneself)
=3 先 xiǎn only used in 先馬／先马
4 完成 wánchéng to complete; to accomplish
5 這個 zhège
  1. (pronoun) this
  2. (adjective) this
6 工作 gōngzuò
  1. to work
  2. (of a machine) to operate
  3. job
  4. work
  5. task

classifiers: 個, 份, 項