crumble
单词辨析：
通常指房屋等倒塌，强调突然性。
The roof collapsed under the weight of snow.
房顶在雪的重压下突然坍塌了。
A lot of tall buildings collapsed in the earthquake.
许多高楼在地震中倒塌了。
尤指由石头或岩石构成的建筑物或土地崩塌或崩裂。
Many houses crumbled into cinders.
许多房子坍塌，成了废墟。
The old stone wall began to crumble.
那座旧石墙开始崩塌。
The cliff has gradually crumbled away.
峭壁已经逐渐坍塌。
通常指因失去平衡等而倒塌或跌倒。
Many trees fell in the storm.
在那场暴风雨中，许多树都被刮倒了。
The falling wall showered dust on them.
倒塌的墙壁弄了他们一身土。
I fell and hurt my knee.
我跌了一跤，摔伤了膝盖。
尤指人因过于劳累、体弱等而倒下或坐下。
She sank to the floor without the support of his shoulder.
少了他肩膀的支撑，她倒在地板上。
He was stunned and sank to the ground.
他被击昏，倒在地上。
She sank into a chair, exhausted.
她筋疲力尽地倒在椅子里。
相关例句：
When the walls of the house started to crumble, she got out.
屋墙开始倒塌时，她逃了出来。
I savor the gentle, quiet terror of reading cuneiform tablets that threaten to crumble at my very presence.
我这个味道温和者，安静阅读的恐怖楔形的威胁在我的最出现崩溃的平板。
Roughly crumble the cheese into a bowl.
把干酪大致弄碎，装入一只碗内。
Colors fade, temples crumble, empires fall, but wise words endure.
颜色会褪、庙宇会倒、帝国会垮，可明智的话却不朽。
When you stop to love a person, his memory will completely by you crumble away.
当你停止爱一个人的时候，他的记忆就完全被你粉碎掉了。
I have touched a complete Book in the tomb of an Antediluvian, and watched it crumble to dust.
我有精神失常的一完全的书在坟墓中一大洪水前的，和看它崩溃到灰尘。