rotten wood andworthless soil -a worthless person; a poor stick;useless stuff ? 朽木不可雕也；糞土之墻，不可朽也。(《論語·公冶長》) Rotten wood cannot be carved; a wallof dirty earth will not receive the trowel.
朽木糞土xiǔ mù fèn tǔ
比喻不中用的或無用的東西。useless stuff, a worthless person, useless things