昼夜 | zhòu yè | day and night; period of 24 hours; continuously, without stop | |
白昼 | bái zhòu | daytime | |
昼伏夜出 | zhòu fú yè chū | nocturnal; to hide by day and come out at night | |
昼夜不息 | zhòu yè bù xī | day and night without rest (idiom) | |
昼长夜短 | zhòu cháng yè duǎn | (In summer) the days are long and the nights short. (idiom) |