◆玉石混淆 Gyokuseki-konkou.
- 解釈：よい物（玉）と、つまらぬ物（石）とが入り混じっていて、区別がつかないこと。
- Literal：Jewelry and a stone are mixed. Jumble of wheat and tares. Various things are mixed and distinction does not stick.
- Interpretation：Jumble of wheat and tares. Various things are mixed and distinction does not stick.
- 類義：魚目（ぎょもく）珠（しゅ）に混ず。味噌も糞も一緒。