crumble away 逐渐消失
crumble into pieces 碎成碎片
crumble to dust 化为粉尘
1. The dry earth crumbles when it is stepped on.
干燥的土地被踩踏时会碎裂。
2. His argument crumbles under intense questioning.
他的论点在严厉的质询下瓦解了。
3. The empire crumbles due to internal corruption.
帝国因内部腐败而走向崩溃。
A: Why is the structure so unstable?
A：为什么这个结构如此不稳定？
B: The foundation is crumbling due to age.
B：地基因年代久远正在瓦解。
1) 碎裂成小块
2) (制度、计划)瓦解
3) 崩溃
1. 碎裂；瓦解
e.g.
The ancient walls crumble over time.
古老的墙壁随时间而瓦解。
verb
1. to break into small pieces or to fall apart
Synonym: disintegrate, decay