A fallen wall
Decadence is an idiom, and Pinyin is Tu í Yu á Nb à IB à, which describes a desolate and dilapidated scene.
explain
It's like a ruined well. To describe a scene of desolation and ruin.
allusion
"Hate the sea" Chapter Six: "walk more than half a mile, only to see a burning ruins." At the end of the downtown area, the two of them talk to each other. Two thieves by Liu Fu
usage
As the subject, object, attribute; refers to a desolate scene
A fallen wall
have a retinue before and behind - qián hū hòu yōng
cherish an old broom as if it were a thousand pieces of gold - bì zhǒu qiān jīn
try to shorten the neck of a crane and lengthen that of an owl -- to go against nature - jié hè xù fú