穿:掘凿。到口渴时才想着凿井。比喻事到临头才急着想办法,为时已晚 夫病已成而后药之,乱已成而后治之,譬犹渴而穿井,斗而铸锥,不亦晚乎!——《内经·素问》
not dig a well until one thirsty——not make timely preparations
临(lín)
渴(kě)
穿(chuān)
井(jǐng)
