Definition
日夜 (rì yè) is a common noun meaning 'day and night' as a time period, used in everyday speech and writing. 昼夜 (zhòu yè) is more formal and also refers to a full 24-hour cycle. 夜以继日 (yè yǐ jì rì) is an idiom that emphasizes continuous, unremitting effort.
noun
day and nightaround the clock
Examples
- 。Tā rì yè dōu zài xuéxí.He studies day and night.
- 日夜。Zhè jiā yīyuàn rì yè dōu yǒu yīshēng zhíbān.This hospital has doctors on duty day and night.
- 日夜，。Jīngguò rì yè de fèndòu, tā zhōngyú shíxiàn le mèngxiǎng.After day and night of hard work, he finally realized his dream.
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