Four words to describe the weather

1, blue sky is like washing [explanation] blue sky: light blue sky. The blue sky is as clear as washing. Describe sunny weather.

2, Wan Li [explanation] Wan Li: refers to a large area and a long distance. Describe sunny weather.

3, ice and snow cold [explanation] severe cold: extremely cold. Ice and snow, the weather is cold.

4. Twilight: Twilight; ... it was dark. It's dark at night

Sad rain and sour wind are still sad. Terrible weather. It is also a metaphor for the unstable situation.