Fish, books, geese and silk
Yu Shu Yan Bo, Chinese idiom, Pinyin is y ú sh à y à Nb ó, meaning letter. It's from "casual mail, machine play, system".
Idioms and allusions
Li Yu of Qing Dynasty wrote "leisure, occasional sending, utensils playing, system": "in the two words of Jian Jian, there is infinite original meaning. There is no bamboo thorn in the form of fish, books, geese and silk?"
Idiom usage
Used as an object or attribute; used in writing.
Fish, books, geese and silk
parade with beautiful dress in broad daylight - yì xiù zhòu xíng
Discerning the past and the present - dòng jiàn gǔ jīn
every person has his weak points as well as strong points - chǐ duǎn cù cháng