朽木糞牆

Etymology
From the Analects, Book 5 (《論語·公冶長》):



Idiom

 * 1) a person whose spirit is rotten cannot benefit from education
 * 2) an unsalvageable situation

Etymology
From.

Idiom

 * 1) A piece of rotten wood cannot be turned into something beautiful. That is, a person whose spirit is rotten cannot benefit from education.