China Naming Network - Weather knowledge - Gloomy indicates whether the weather is sultry or cool.

Gloomy indicates whether the weather is sultry or cool.

Cool.

Cloudy, a meaning can be understood as cloudy day, indicating a climate phenomenon before rain, which can be understood as cold air, natural climate, and also as chill brought by air conditioning.

It can also be understood as a person's facial expression, which indicates a person's feelings for others, and is generally a derogatory term.