crumble to dust

基本解释

Or will we crumble to dust, and, forgotten, become one with the desert?
或者，我们会化为乌有，而且，被人遗忘，变成沙漠的一部份。
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；
“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。

Indeed, the possibility that they might crumble to dust seems to be less of a concern than how nations will cope with the rise of so-called "megacities, " cities with populations of more than 10 million.
FORBES: Magazine Article