A change of conduct
Gai Dao Yi Jie is a Chinese idiom. Pinyin is g ǎ IC ā oy ì Ji é, which means to change the original conduct and ambition. It comes from the biography of Huang Gai, Wu Zhi of the Three Kingdoms.
Idiom explanation
Change, easy: change. Change the original conduct and ambition.
The origin of Idioms
According to the biography of Huang Gai in Wu Zhi of the Three Kingdoms, "from spring to summer, the chaos of the bandits was completely peaceful, and all the secluded Ba, Li, you, and the birth of the Marquises and princes of the cities were changed to the festival of changes, and the county was then clear."
Idiom usage
It can be used as predicate, object, attribute, etc
A change of conduct
keep one 's heart as hard as the nether millstone - xīn rú tiě shí