scratch the back while the knee is itching -- irrelevant

scratch the back while the knee is itching -- irrelevant

Knee itching and back scratching is a Chinese idiom, pronounced x ī y ǎ ngs ā ob è I. the knee itches but the back is scratched. The power of metaphor is not on the point.

source

Han huankuan's "on salt and iron · Liyi" said: "all living beings can't work out a wonderful plan. They plan for the border of Xiongnu. They hold the withered bamboo and keep empty words. They don't know how to give up. As the times change, they have nothing to rely on. They scratch their back like itching on their knees."

Discrimination of words

Use as predicate and object; figurative power does not use the key. commonly used degree: commonly used emotional color: derogatory words idiom structure: contractive type generation time: ancient times