輸入需要查詢的詞語:
詞條:臨渴穿井
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[not dig a well until one thirsty--not make timely preparations] 穿:掘鑿。到口渴時才想著鑿井。比喻事到臨頭才急著想辦法,為時已晚
夫病已成而後藥之,亂已成而後治之,譬猶渴而穿井,斗而鑄錐,不亦晚乎!--《內經·素問》