against the clock
争分夺秒、赶时间
口语·形容赶时间
英文释义
to be in a race against time or to have limited time to complete a task
例句
We're working against the clock to finish the project by Friday.
典故来源
源自体育比赛中计时赛的概念，比喻在时间压力下争分夺秒地完成任务。