Bitter and old
Chinese idiom, Pinyin is t ò ngji āù ns ù g ò u, which means to completely correct the previous mistakes. It comes from the book "please admonish the ministers".
The origin of Idioms
Zhang Juzheng of the Ming Dynasty wrote in his book please admonish the ministers: "I am Fang Jia and my subjects will go the way of meeting the emperor, and all my ministers should also live up to the past and contribute to the success of the royal way."
Analysis of Idioms
Change the past
Idiom usage
Used as a predicate or attributive; used in writing
Bitter and old
not dig a well until one thirsty ---- not make timely preparations - lín kě chuān jǐng
To strike a duck and startle a mandarin duck - dǎ yā jīng yuān
whatever one wishes to say , his pen follows - yì zài bǐ xiān
be really a most unusual and quite individual beauty - fēng huá jué dài