夕阳西下

夕陽西下
xīyángxīxià
the sun sets in the west (idiom)

CEDICT

when the sun sets in the west; at dusk

Wiktionary

Entry Composition

1 夕阳 xīyáng
  1. sunset
  2. the setting sun
2 西 xī west
3 下 xià
  1. down
  2. downwards
  3. below
  4. lower
  5. later
  6. next (week etc)
  7. second (of two parts)
  8. to decline
  9. to go down
  10. to arrive at (a decision, conclusion etc)
  11. measure word to show the frequency of an action