Definition
To depart or begin a journey.
啟程
We need to leave before sunset, so we better hit the road now.
我們需要在日落前離開，所以我們最好現在就動身。
After a long day, I just want to go home, so I guess I should hit the road.
經過漫長的一天，我只想回家，所以我想我該出發了。
They hit the road at six in the morning for their hike.
他們早上六點出發去遠足。