cold comfort 于事无补的安慰；不起作用的慰藉

【例句】
A small drop in the inflation rate was cold comfort for the millions without a job.
对数百万失业者来说，通货膨胀率的微降是不起作用的安慰。

The loss could have been heavier, but that was cold comfort.
这次损失不算太重，但那并不值得高兴。