N-UNCOUNT
（通常指令人不快的事情的）缓和，减弱
If there is no let-up in something, usually something unpleasant, there is no reduction in the intensity of it.
例句
There was no let-up in the battle on the money markets yesterday...
对金融市场的争夺战昨天依然非常激烈。
There were no signs of any let-up in job-shedding.
无迹象显示裁员势头会减缓。