Definition
- C2
Very early in the morning, typically when the sun first appears.
黎明时分
They had to leave at the crack of dawn to catch their early flight.
他们必须在破晓时分离开，以赶上早班飞机。
The farmers start their work at the crack of dawn every day.
农民们每天在破晓时分开始工作。
We need to set off at the crack of dawn to avoid the rush hour traffic.
我们需要在破晓时分出发，以避开交通高峰期。