临渴掘井[lín kě jué jǐng]
词典not dig a well until one is thirsty -- start acting too late：临渴掘井。
词典begin to dig a well when feeling thirsty：临渴掘井。
词典do nothing until the last minute：急来抱佛脚；抱佛脚；临渴掘井；平时不烧香， 临时抱佛脚。
词典do sth. at the last minute and too late：临渴掘井。
临渴掘井[lín kě jué jǐng]
not dig a well until one is thirsty -- start acting too late; begin to dig a well when feeling thirsty; do nothing until the last minute; do sth. at the last minute and too late; lack forethought; be caught unprepared and pressed by immediate needs; make n