Definition
to depart from a location, generally to begin a trip
出發（從某地）
We plan to get off from home at seven o'clock tomorrow morning to start our trip.
我們計劃明天早上七點從家裡出發，開始我們的旅程。
Passengers need to get off at the boarding gate when the plane is ready to take off.
當飛機準備起飛時，乘客需要在登機口離開。
After a few days at the beach, they finally decided to get off.
在海灘待了幾天後，他們終於決定離開了。
to leave one’s workplace with authorization, typically at the end of the workday
下班
I can get off at five o'clock this afternoon because my work is done.
我今天下午五點可以下班，因為我的工作完成了。
If you complete your tasks, you can get off early on Friday.
如果你完成任務，週五可以早點下班。
The boss agreed that we could get off early before the holiday.
老闆同意我們在假期前可以早點下班。