Definition
To indicate on a list that specific items or individuals have been addressed or completed.
（在清單上）勾去或劃掉（表示已處理完畢）
During the meeting, we marked each agenda item off the list as we completed them.
在會議期間，我們在清單上勾去每個完成的議程項目。
Please mark off those completed tasks in your task list once you finish them.
請在完成任務後，在你的任務清單上勾去那些已完成的事項。
The teacher asked us to mark off the students who were late on the attendance list.
老師要求我們在點名單上勾去遲到的學生。