【俚語】

Work against the clock
拼命趕工做

【例句】

We'll have to work against the clock to finish our presentation in time for the convention, but I think we'll be able to get it done.
我們將不得不拼命地干工作，以便及時完成那次會議的演示。不過我覺得我們能做完。

Run out the clock
消耗掉剩余的比賽時間

【例句】

Facing a tie, he decided to run out the clock in the final moments.
面對平局，他決定在最后時刻耗盡時間。

Be watching the clock
一直不停地看表

【例句】

Quit watching the clock and pay attention, John. We still have a lot of material to cover before class ends.
John，別不停地看表。在下課之前我們還有很多材料需要去學習。

Clock in/out
打卡上/下班

【例句】

What time did you clock in this morning?
今天早上你幾點打的卡？

Around-the-clock
全天候的，不分晝夜的

【例句】

Doctors have been working on him around the clock, but his condition is still critical.
醫生們在部分晝夜地給他看病，但他的病情仍然很嚴重。