Definition
- C2
Very early in the morning, typically when the sun first appears.
黎明時分
They had to leave at the crack of dawn to catch their early flight.
他們必須在破曉時分離開，以趕上早班飛機。
The farmers start their work at the crack of dawn every day.
農民們每天在破曉時分開始工作。
We need to set off at the crack of dawn to avoid the rush hour traffic.
我們需要在破曉時分出發，以避開交通高峰期。