救援人员昼夜抢修堤坝,才勉强阻止洪水继续涌入城区。Jiùyuán rényuán zhòuyè qiǎngxiū dībà, cái miǎnqiǎng zǔzhǐ hóngshuǐ jìxù yǒngrù chéngqū.Rescue workers repaired the embankment day and night, barely managing to stop floodwater from continuing to pour into the city.
为了按时完工,工人们昼夜不停地干活。Wèile ànshí wángōng, gōngrénmen zhòuyè bù tíng de gànhuó.In order to finish on time, the workers worked around the clock without stopping.
医院急诊室昼夜都有医生值班。Yīyuàn jízhěnshì zhòuyè dōu yǒu yīshēng zhíbān.The hospital emergency room has doctors on duty around the clock.