against the clock—争分夺秒

　　against the clock 原意为：抢在某一时刻之前，跟时间赛跑。可进一步引申为“争分夺秒”。

　　【例句】

　　1. It 's now become a race against the clock.

　　从现在开始要跟时间赛跑。

　　2. Tempe, raced against the clock to save his life.

　　医生们争分夺秒地抢救他的生命。

　　3. We are working against the clock to finish the report by Friday.

　　我们正在抢时间要在星期五之前完成这一报告。