Examples

《24小时反恐》系列剧在中国很受欢迎。

The TV series "24" is very popular in China. → 系列剧

这个住宅区24小时都有警卫巡逻。

This residential area is patrolled by guards 24 hours a day. → 巡逻

干活儿三班倒(ｄǎｏ),24小时一个轮次。 → 轮次

The emergency service is on a 24-hour run.

应急服务24小时不间断。 → run

They're open 24 hours, seven days a week.

他们全天24小时营业，周末不休息。 → seven

The call loan rate can change on a daily basis, and the loan can also be canceled with 24 hours notice.

通知贷款率每天都会浮动，也可以在24小时内取消贷款。 → basis

The toll-free call center works 24 hours a day and 7 days a week all the year.

免费电话每天24小时，一周7天，全年开通。

at short/a moment's/24 hours' notice

一经通知就/马上就/24小时内就 → notice

round the clock

[inf] 连续24小时 → round

We were working 24 hours a day.

我们曾一天工作24小时。 → work