- - -
指白天刮风下雨,天色暗得象黑夜一样。形容政治黑暗,社会不安。
[wind and rain sweeping across a gloomy sky——a grim and grave situation;it blows and rains as in a dark night] 风吹雨落,天色昏暗。比喻社会黑暗,局势动荡 风雨如晦,鸡鸣不已。——《诗·郑风》