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。
A rebellion by radicals failed to materialize. 激进分子的一次叛乱未能实现。