vi.

1. 退落；消退；消失
   The flood waters subsided.

   洪水退去了。

2. 平靜下來，平息
   His anger subsided.

   他的怒氣息了。

3. 下沉，沉降；沉澱
4. 坐下；跪下；躺倒

v.

1. become less intense, violent, or severe.
   ▸ (subside into) give way to (an overwhelming feeling).
2. (of water) go down to a lower or the normal level.
   ▸(of a swelling) reduce until gone.
3. (of a building) sink lower into the ground.
   ▸(of the ground) cave in; sink.
   ▸informal sink into a sitting, kneeling, or lying position.