临渴掘井臨渴掘井lín kě jué jǐng1.lit. not to dig a well until one is thirsty2.to be unprepared and seek help at the last minute (idiom)Add to deck
吃水不忘掘井人chī shuǐ bù wàng jué jǐng rén1.Drinking the water of a well, one should never forget who dug it. (idiom)Add to deck