Definition
To indicate on a list that specific items or individuals have been addressed or completed.
（在清单上）勾去或划掉（表示已处理完毕）
During the meeting, we marked each agenda item off the list as we completed them.
在会议期间，我们在清单上勾去每个完成的议程项目。
Please mark off those completed tasks in your task list once you finish them.
请在完成任务后，在你的任务清单上勾去那些已完成的事项。
The teacher asked us to mark off the students who were late on the attendance list.
老师要求我们在点名册上勾去迟到的学生。