爪の垢（つめのあか）
Japanese vocabulary
Meaning: dirt under one's fingernails; shred (of decency, etc.); scrap; bit; smidgen
Idioms & proverbs containing “爪の垢”
- 爪の垢を煎じて飲む (つめのあかをせんじてのむ) — to take a lesson from (someone serving as an example); to learn from someone's example; to boil the dirt under (someone's) fingernails and drink it