v.崩潰；弄碎；破滅

The masonry of the old building began to crumble. 舊樓房的磚石結(jié)構(gòu)開始崩落。

The earthquake made the wall sink and start to crumble. 這次地震把這堵墻震得下陷并開始崩塌。

He crumbled the bread in his fingers. 他用手指把面包捏碎了。

Even these hard parts may crumble to dust. 甚至這些堅(jiān)硬的部分也會(huì)破碎成粉末。

His dearest hopes crumbled to nothing. 他最大的希成了泡影。