Betray one's virtue
It is a Chinese idiom, Pinyin is f ù D é B è iy ì, which means betraying kindness. It comes from the annals of the Eastern Zhou Dynasty.
The origin of Idioms
The second and fourth chapter of the chronicles of the states of the Eastern Zhou Dynasty: "today, he flatters Chu with his country, makes the prince of his son betray his virtue and righteousness, and calls himself to fight, which will bring disaster to the people's society."
Analysis of Idioms
Treachery, ingratitude
Idiom usage
To do something sorry to others.
Betray one's virtue
To be the master of one's family - chèn jiā yǒu wú