exigence

英 ['eksɪdʒ(ə)ns; 'egzɪ-]

exigence (n.): mid-15c., "what is needed" (in a given situation), from Middle French exigence or directly from Latin exigentia "urgency," from exigentem (nominative exigens), present participle of exigere "to drive out; require, demand, claim" (see exact (v.)). From 1580s as "state of being urgent."

1. In such an exigence my uncle's advice and assistance would be everything in the world.: 情况如此紧急,非请舅父前来协助指点不可.