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UKday and night
/dˈeɪandnˈaɪt/
/dˈeɪændnˈaɪt/day and night
[PHRASE]1
in way that continues to happen all the time with no stop
What is the origin of the idiom "day and night" and when to use it?
The idiom "day and night" has its origin in Old English and has been in use for centuries. Its roots can be traced back to the Germanic language family, which includes Old English. The phrase evolved as a way to express the contrast between these two periods of time. As a result, "day and night" became a commonly used to express to describe the continuous passage of time and the uninterrupted nature of certain actions or conditions. It is often employed to describe intense or relentless efforts, often in relation to work, study, or dedication.
Examples
1. Please tell your girlfriend to stop calling our house all hours of the day and night.
2. The tomb is guarded day and night by soldiers.
3. You can hear the traffic from your room day and night.
4. Some of these live-in workers are on call day and night.
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