昼夜

• 拼音: zhòu yè
• 汉字拆解: 昼 = 尺 + 旦 (daytime); 夜 = 亠 + 亻 + 夕 (night)

含义

Day and night; around the clock. Refers to the full 24-hour cycle or continuous, uninterrupted activity.

Literary and formal term for the complete cycle of day and night. Used to emphasize continuous effort, non-stop work, or phenomena that occur regardless of time. More elevated than 白天黑夜.

例句

1. 工人们昼夜不停地赶工。
2. 警卫昼夜守护着大门。
3. 地球自转产生昼夜交替现象。

用法指南

语境: literary, news, scientific

语气: emphatic

正确说法

• 医护人员昼夜奋战在抗疫一线。(Medical workers fight day and night on the front lines of epidemic prevention.)
• 这条生产线实行昼夜两班倒制度。(This production line operates on a day-night two-shift system.)

错误说法

• 昼夜好 — this is not a greeting; use 你好 or specific time greetings

起源与历史

昼 (day, daytime) + 夜 (night)

文化背景

世代: All ages

社会背景: Universal