列车在十点整出发了。

The train started at ten o'clock to the minute.

Source: Tatoeba

Sentence Composition

1 列车 lièchē (railway) train
2 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)
3 十点 shídiǎn ten o'clock
4 整 zhěng
  1. (bound form) whole; complete; entire; (before a measure word) whole; (before or after number + measure word) exactly
  2. (bound form) in good order; tidy; neat
  3. (bound form) to put in order; to straighten
  4. (bound form) to repair; to mend; to renovate
  5. (coll.) to fix sb; to give sb a hard time; to mess with sb
  6. (dialect) to tinker with; to do sth to
5 出发 chūfā
  1. to set off
  2. to start (on a journey)
=6 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=6 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)
=6 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=6 了 liào unofficial variant of 瞭 liào