If a possible or expected event does not materialize, it does not happen. 实现
verb [vt. 及物动词] 实现，成为现实；突然显现，奇怪地出现
A rebellion by radicals failed to materialize. 激进分子的一次叛乱未能实现。
来自material(n. 物质 adj. 物质的； 具体的)
A rebellion by radicals failed to materialize. 激进分子的一次叛乱未能实现。