If a condition subsides, it becomes less strong or extreme.

The police are hoping that the violence will soon subside. 警方希望暴力事件会很快平息。

As the pain in my foot subsided, I was able to walk the short distance to the car. 我的脚没那么疼了，能够勉强走一小段路，走到车旁。

If a building, land, or water subsides, it goes down to a lower level.

There is a danger that many homes will subside because of the drought. 由于干旱，很多房子面临沉降的危险。

Eventually the flood waters began to subside. 洪水终于开始消退了。