The origin of the idiom: Biography of Zhang Zhi in the Later Han Dynasty: "You are especially good at cursive writing, learning the laws of Cui and Du, and you must write your clothes and silks before you start practicing. Linchi Xueshu, water black. "
Example of Idiom: Many people refuse to learn books in the pool, and their handwriting is ugly and clumsy, so it is not easy to try.
Traditional writing: Linchi Yashu
Idiom grammar: linked verbs; As a predicate; Study calligraphy hard.
Commonly used degree: general idioms
Emotion and color: neutral idioms
Idiom structure: related idioms
Generation time: ancient idioms