刻舟求劍 [ㄎㄜˋ ㄓㄡ ㄑㄧㄡˊ ㄐㄧㄢˋ; ke4 zhou1 qiu2 jian4] lit. a notch on the side of a boat to locate a sword dropped overboard (idiom); fig. an action made pointless by changed circumstances ◄ ►
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