Definition
to cease, or to halt an action or activity
终止；停止
In this situation, they decided to leave off the project.
在这种情况下，他们决定终止这个项目。
She left off studying the night before the exam to get a good rest.
她在考试前一晚停止了学习，以获得良好的休息。
If you feel tired, you might want to leave off this work for a while.
如果你感到疲倦，你可能想暂停这项工作一会儿。