风雨如晦

Explanation: Refers to the wind and rain during the day, it was getting dark as the night was the same. Describe the political darkness, social unrest. 　　Usage: The main predicate; as the predicate attribute; behind conjunction with the endless cock 　　Source: "The Book of the wind storm": "wind and rain, such as dark, crowing incessantly." 　　Examples: Wanderer back, and in this ~ the morning, wandering back out. ★ Guo "Star Returns" Thesaurus:  chilly wind and cold rain that inspire sadness in a person’ s mind, Kuyuqifeng, storm accompanied by rain