春蚓秋蛇

Explanation: Analogy Poor handwriting, winding, like worms and snakes crawling traces. 　　Usage: Joint type; as predicate, complement; metaphor Calligraphy 　　Source: "Biography of Wang Jin Shu": "(Xiao Ziyun) may only be a book, without her husband of the gas, trekking in spring if the Ying earthworm, every word, such as string together a snake fall." 　　Examples: Waspish Xi Yi Cape knee ridicule, ~ ill child clouds. (Song Su "and bore five unique and streaming Missouri cup stone verses cursive")