"the building crumbled after the explosion" "Negotiations broke down"
"The cookies crumbled" "The Sphinx is crumbling"
"The unoccupied house started to decay"
Marbles with their deepest inscriptions crumble away.
The termites live on the Joshua tree,..crumbling the fortress from within.
My father did not crumble at my mother's death.
牛津高階第八版
美國韋氏詞典
Dictionary.com
Free Dictionary
維基百科 (自由的百科全書)