【俚语】

Work against the clock
拼命赶工做

【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.
我们将不得不拼命地干工作，以便及时完成那次会议的演示。不过我觉得我们能做完。

Run out the clock
消耗掉剩余的比赛时间

【例句】

Facing a tie, he decided to run out the clock in the final moments.
面对平局，他决定在最后时刻耗尽时间。

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，别不停地看表。在下课之前我们还有很多材料需要去学习。

Clock in/out
打卡上/下班

【例句】

What time did you clock in this morning?
今天早上你几点打的卡？

Around-the-clock
全天候的，不分昼夜的

【例句】

Doctors have been working on him around the clock, but his condition is still critical.
医生们在部分昼夜地给他看病，但他的病情仍然很严重。