1·To crumble to dust; disintegrate.
弄碎分解成粉末；
2·Though empires crumble to dust, and centuries are lost in shadows, the white marble still sighs to the stars, "I remember."
尽管帝国皇权已经化为齑粉，历史已经湮没无闻，而那白色的大理石却依然向满天的繁星叹息说：“我记得！”
3·We keep it in a climate-controlled case and we hardly ever move it, because with any sudden shock it could just crumble to dust.
我们一直把它保存在严格控制气候变化的展示台里，几乎不曾移动过；因为任何突然震动都可能使它瞬间崩溃，化为一地尘埃。
4·"I shall penetrate you so thoroughly," he said, "that you will have the power of becoming rusty, and, if you wish it, to crumble into dust in one night."
我将浸润你的全身，使得你——如果你愿意的话——获得一种力量，叫你一夜就把全身锈掉，化成灰尘。