◆垢はこする程出る Aka wa kosuruhodo deru.
- 解釈：欠点を探し出せばきりがない。垢はこすればこするほど、次から次へと出てくるのに似ていると言う例え。
- Literal：Dirt comes out, so that it is rubbed.
- Interpretation：A fault comes out, so that it searches. Because the dirt of the skin is always reproduced, it is known that it leaves it to the person.
- 類義：叩けばほこりが出る。