你告訴她你已經在三天前完成這個工作了。

You told her that you had finished the work three days before.

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 告訴 gàosù to press charges; to file a complaint
=2 告訴 gàosu to tell; to inform; to let know
3 她 tā she
=4 你 nǐ you (informal, as opposed to courteous 您 nín)
=4 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.)
5 已經 yǐjīng already
6 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)
=7 三 Sān surname San
=7 三 sān
  1. three
  2. 3
8 天 tiān
  1. day
  2. sky
  3. heaven
9 前 qián
  1. front
  2. forward
  3. ahead
  4. first
  5. top (followed by a number)
  6. future
  7. ago
  8. before
  9. BC (e.g. 前293年)
  10. former
  11. formerly
10 完成 wánchéng to complete; to accomplish
11 這個 zhège
  1. (pronoun) this
  2. (adjective) this
12 工作 gōngzuò
  1. to work
  2. (of a machine) to operate
  3. job
  4. work
  5. task

classifiers: 個, 份, 項
=13 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=13 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 了 liǎo)
=13 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=13 了 liào unofficial variant of 瞭 liào