渇に臨みて井を穿つ
Idiom- 1to fail to make timely preparations ; to not dig a well until one is thirsty Translated by Jiyomi
Other writings and readings
かつにのぞみていをうがつ
expressions (phrases, clauses, etc.) · Godan verb with 'tsu' ending
JMdict entry 2842913. Source and licence.