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浅瀬に仇波, あさせにあだなみ
1. deep rivers move in silence; shallow brooks are noisy, those who know little talk much
深河静流,浅溪喧哗;知之甚少者,言语甚多。
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仇討ち, あだ討ち, 仇討, あだうち
1. vengeance, revenge, retaliation
复仇,报复