下陷

xiàxiàn
  1. to subside
  2. subsidence

CEDICT

to sunken; to hollow; to form a depression

Wiktionary

向下陷落。

重編國語辭典

Entry Composition

1 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
2 陷 xiàn
  1. pitfall
  2. trap
  3. to get stuck
  4. to sink
  5. to cave in
  6. to frame (false charge)
  7. to capture (a city in battle)
  8. to fall (to the enemy)
  9. defect

Related entries

塌陷 tāxiàn
  1. to subside
  2. to sink
  3. to cave in
沉降 chénjiàng
  1. to subside
  2. to cave in
  3. subsidence
退落 tuìluò to subside
褪去 tuìqù
  1. to take off (one's clothes)
  2. (fig.) to shed (one's former image etc)
  3. (of a fad or the after-effects of a disaster etc) to subside
  4. also pr. tùnqù
雖然激情可能會褪去，卻不容它破壞我們感情上的聯繫。

Though passion may have strained, it must not break our bonds of affection.

Source: Tatoeba

陷落 xiànluò
  1. to surrender (of a fortress)
  2. to fall (to the enemy)
  3. subsidence (of land)