你必須在中午以前完成這個工作。

You have to get this work finished by noon.

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 必須 bìxū
  1. to have to
  2. must
  3. compulsory
  4. necessarily
3 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
4 中午 zhōngwǔ
  1. noon
  2. midday

classifier: 個
5 以前 yǐqián
  1. before
  2. formerly
  3. previous
  4. ago
6 完成 wánchéng to complete; to accomplish
7 這個 zhège
  1. (pronoun) this
  2. (adjective) this
8 工作 gōngzuò
  1. to work
  2. (of a machine) to operate
  3. job
  4. work
  5. task

classifiers: 個, 份, 項