昼夜

zhè tái jī qì zhòu yè bù tíng de gōng zuò

这台机器昼夜不停地工作。

The machine keeps roaring day and night.

tā zhòu yè dōu zài gōng dì

他昼夜都在工地。

He is at the construction site day and night.

tā hái yǐ wéi tā kě yǐ bù lùn zhòu yè suí shí gěi wǒ dǎ diàn huà

她还以为她可以不论昼夜随时给我打电话。

She thinks she can call me at all hours of the day and night.

zhòu yè jiān chéng lǚ xíng

昼夜兼程旅行

hurry one's journey day and night

zhòu yè jiān shǒu

昼夜监守

keep watch round the clock

zhòu yè zhí bān

昼夜值班

be on duty round the clock

zhòu yè bù tíng de gàn huó

昼夜不停地干活

work round the clock

zhòu yè xún luó

昼夜巡逻

be on 24-hour patrol

zhòu yè xiāng suí

昼夜相随

keep each other's company day and night

zhòu yè jǐng jiè

昼夜警戒

be on a round-the-clock alert

zhòu yè de jiāo tì

昼夜的交替

the alternation of day and night