逐渐变弱;逐渐平息;逐渐暗淡
牛津电影里 100%
to become gradually less strong, loud, noticeable, etc.
It's not finished yet. We'll stay here for a couple of days, until things die down.
I'm hoping it's gonna die down after sundown.
释义来自《牛津高阶英汉双解词典》第 9 版