cleanse the flaw and wash away the dirt
It is a Chinese idiom, and the Pinyin is d í Xi á D à nghu à, which means to eliminate old bad habits.
interpretation
Polyester: remove; flaw: spots on jade; Dang: remove; filth: dirty and dirty. It's about getting rid of old habits.
source
Han Ban Gu's Dongdu Fu: "so the common people clean up their flaws, and the mirror is clear."
Examples
It's good for a country to make it whole hearted, to make it self blaming, to clean up its flaws, and to be indignant. (Chapter 44 of the popular romance of the Republic of China by Cai Dongfan and Xu Xianfu)
words whose meaning is similar
change existing habits and customs
be careful
"Di" should not be read as "Ti á o", "flaw" should not be written as "leisure", "filth" should not be read as "Su".
cleanse the flaw and wash away the dirt
dupe a person and then pull the ladder from under him - shàng shù bá tī
conspire with someone in illegal acts - tóng è xiāng jì