crum·ble/`krʌmbḷ; ˈkrʌmbəl/ v 1 [I,T] to break apart into small pieces, or make something do this 裂成碎片; 把〔某物〕弄碎: an old stone wall, crumbling with age 一面随着岁月的流逝而倾颓的旧石墙 2 [I] to lose power, become weak, or fail 失势; 衰落; 崩溃: The entire economy was crumbling. 整个经济正在崩溃。