太阳下山了。

The sun is going down.

Source: Tatoeba

Sentence Composition

=1 太阳 tàiyang
  1. sun
  2. sunlight; sunshine
  3. temple (on the side of the human head) (abbr. for 太阳穴 tàiyángxué)
=1 太阳 tàiyáng
  1. (I Ching) greater yang (⚌)
  2. (tarot) the Sun
  3. greater yang (⚌)
  4. sun; the Sun
  5. sunshine; sunlight
  6. the Sun
2 下山 xiàshān
  1. to go down a hill
  2. (of the sun or moon) to set
=3 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=3 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)
=3 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=3 了 liào unofficial variant of 瞭 liào