What is the symbolic significance of gray in China?

The meaning of the gray symbol: the metaphor is unclear; Irregular: ~ income. ~ market.

Pinyin: [Hu Hehe]

Quote and explanation: Wang Tongzhao's Alarm Table: "Under the dark clouds, a red flame and a slight flame filled the sky above a house in the northeast, reflecting a gray sky."

Grey synonym:

First, darkness? [Yang àn]

Darkness; Gloomy: The basement is damp. The sky. ~ psychology. ~ face.

"Sha Ting's" Trapped Beast "VII:" She didn't finish, and her face became gloomy again, returning to the normal state of depression and unhappiness. "

Second, bleak? [Adandan]

Dim: color ~.

"Bing Xin's Send a Little Reader" 8: "I was sitting on my porch, and the autumn wind invaded my clothes, and the voice of selling dates came from outside the wall. I feel dull and bored, and I don't understand why I am so lonely. "