at the crack of dawn

含义

very early in the morning as daylight begins

天刚亮的清早.

例句

1. 1We left at the crack of dawn and watched the sun rise over the fields.
2. 2Why does the neighbour start gardening at the crack of dawn, before anyone else is awake?
3. 3The photographer arrived at the crack of dawn to catch the first light on the lake.
4. 4Birdsong woke me at the crack of dawn, as a thin line of sunlight appeared.
5. 5At the crack of dawn, the sky began turning pink and the fishing boats left harbour.

语法

固定的状语短语。at the crack of dawn 保持不变；dawn 前不加冠词。