days are numbered 寿命不长;时日无多

【例句】
Last year, bipartisan leaders of the Senate and House agriculture committees also recommended the end of direct payments, suggesting their days are numbered.

去年，美国参众两院农业委员会的两党领袖也建议终止直接补贴，这表明发放直接补贴的做法已时日无多。

Critics believe his days are numbered because audiences are tired of watching him.

批评家猜想他走红的时间不会长了，因为观众现在厌倦了他的表演。