いしにくちすすぎながれにまくらす
石に漱ぎ流れに枕す
to refuse stubbornly to admit one is wrong; to rinse one's mouth with a rock and rest one's head in a river
N3Expression
Expression, Su verb (precursor to suru)
to refuse stubbornly to admit one is wrong•to rinse one's mouth with a rock and rest one's head in a river