Goujin yuyu
Goujin Yuyu is a Chinese word, Pinyin is g ō UJ ī NY ú y ǔ, meaning that gold is heavier than feathers, but it can't be said that gold over three yuan is heavier than a cart of feathers. The difference between them is too big to compare.
explain
Explanation: hook Gold: more than three gold; Yu: car; Yu: feather. Gold is heavier than feathers, but it can't be said that gold over three yuan is heavier than a cart of feathers.
source
Source: Mencius · gaozixia: "if gold is more important than feather, it is not a hook of gold and a Yu Yu." What's more, it's not like a house of wood, a tower of dust, and a tower of gold. Shi sou Wai Pian Tang Xia by Hu Yinglin in Ming Dynasty
Discrimination of words
Usage: as an object; refers to improper analogy
Goujin yuyu
good teachers and helpful friends - liáng shī yì yǒu
repair the old and utilize the waste - xiū jiù qǐ fèi
fear wolves ahead and tigers behind - qián pà láng,hòu pà hǔ