Words describing sunny weather.

Pinyin: yún míwüsu

Interpretation: Describe the gloomy weather and gloomy atmosphere.

Source: The second fold of Ming Dynasty's Cinnabar Bear: "Ba arrived at the Lvyang Ferry, as early as after dusk."

Thick clouds cover the sky, which indicates that it will snow.

Hei yun ya cheng

Thick clouds are like a cover.

Dark clouds roll

cloud over

Dark clouds hung over.

pitch-black

It's dark and the air is dark.