爪の垢を煎じて飲む、つめの垢を煎じて飲む、爪のあかを煎じて飲む
つめのあかをせんじてのむ
tsumenoakawosenjitenomu
JMdict entry #2433630
- expressions (phrases, clauses, etc.)Godan verb with 'mu' ending idiomatic expression 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