Which idiom is used to describe gloomy weather?

hūn tiān àn dì

It means it's dark. It is also a metaphor for the darkness and chaos of society. Use "darkness".

The source of Feng Ming Menglong's "Yu's Ming Yan" Volume 13: "The ghost handsome has become a five-color cloud, and the sky is dark."

Structural combination

Used as predicate, attribute and adverbial; Weather or world situation

Synonyms in the dark