yī máo bù bá一毛不拔lit. unwilling to spare a single hair (idiom); fig. extremely stingyHSK 7+ · 词频 2.2含义extremely stingy; miserly例句他这个人特别小气，一毛不拔。同事聚餐他总是一毛不拔。对公益事业他居然也一毛不拔。