Definition
If someone or something's days are numbered, it means their existence or relevance will soon come to an end.
某人或某事物的时日不多；即将结束或消失。
With the advent of new technologies, many traditional industries have their days numbered.
随着新技术的出现，许多传统产业的时日不多了。
This old factory, failing to meet environmental standards, has its days numbered.
这家老工厂未能达到环保标准，时日不多了。
Since the scandal broke, the politician's days are numbered.
自从丑闻曝光后，这位政治人物的时日不多了。