Definition
- C1
to embark on a trip or depart from a location
出發；離開
We will head off tomorrow morning to begin our journey.
我們將在明天早上出發，開始我們的旅程。
He headed off a few hours early to avoid the traffic.
他提前幾個小時出發，以避開交通堵塞。
We decided to head off before sunset to ensure we arrive safely at night.
我們決定在日落前出發，以確保晚上安全抵達。