Dust and chaff
As a Chinese idiom, CH é ng ò UB ǐ K ā ng in pinyin means dust and dirt, rice bran and millet bran; it is used to refer to humble and useless things. It's from Chuang Tzu's xiaoyaoyou.
The origin of Idioms
Zhuangzi's xiaoyaoyou: "it's his dirt and chaff that made him Yao and shun."
Idiom usage
The dust of my life has been washed away. The poem "bathing in the sea" by Guo Moruo
Chinese PinYin : chén gòu bǐ kāng
Dust and chaff
with the force of thunder and lightning. hōng léi chè diàn
strike the head on the ground and call on heaven. chuàng dì hū tiān
be devoid of any sense of shame. tián bù zhī xiū