dusty and dirty in appearance
It is a Chinese idiom. Pinyin is Hu ī t ó ut ǔ mi à n, which means a face covered with dust. It also describes a look of sadness or depression. From the five Lantern Festival.
The origin of Idioms
Volume 20 of Wu Deng Hui Yuan written by Shi Puji of Song Dynasty: "with a dusty surface, with water and mud, singing nine songs and writing ten songs, pointing deer as horses, it is not only to bear the burden of sages, but also to bury one's own spirit."
Analysis of Idioms
A disheartened face
Idiom usage
A face covered with dust. Example: Huang Dashe sent Zhenqi to the prison and asked for security himself. He went home with the lame wolf thirsty. (Chapter 14 of marriage to awaken the world)
dusty and dirty in appearance
as different as heaven and hell - tiān yuān zhī bié
have a haughty and imperturbable look - ào nì zì ruò