刻舟求剑 kèzhōu-qiújiàn
[be stubbornly unimaginative as the man who marked the boat to find his lost sword;take measures without regard to changes in circumstances] 比喻看问题做事情死板不灵活,不知情随势变
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《吕氏春秋·察今》：“ 楚 人有涉江者,其剑自舟中坠於水,遽契其舟曰：‘是吾剑之所从坠.’舟止,从其所契者入水求之.舟已行矣,而剑不行,求剑若此,不亦惑乎?”契,一本作“ 刻 ”.后因以“刻舟求剑”喻拘泥成法,固执不知变通. 宋 陆游 《谢梁右相启》：“刻舟求剑,固匪通材.”《红楼梦》第一二○回：“似你这样寻根究底,便是刻舟求剑、胶柱鼓瑟了.”
