/ˈkrʌmbl ||; ˈkrʌmbḷ/verb [I,T]
crumble (sth) (up) to break or make sth break into very small pieces 弄碎；使碎为细屑:
The walls of the church are beginning to crumble. 教堂的墙壁开始崩塌。We crumbled up the bread and threw it to the birds. 我们把面包弄碎，丢给鸟吃。 (figurative 比喻) Support for the government is beginning to crumble. 对政府的支持开始消失。 ➔crumbly adj This cheese has a crumbly texture. 这种干酪质地易碎。