around the clock
日日夜夜地、不间断地进行某项工作或活动
口语·强调持续不断的工作或服务
英文释义
continuously; without stopping; all the time
例句
The nurses worked around the clock to care for the injured patients.
典故来源
源自钟表指针绕圈不停，比喻24小时不间断的活动。