Definition
to indicate on a list that items or names have been verified or completed
勾選（清單上的項目）
I checked them off the list when I finished all my assignments.
當我完成所有作業時，我將它們從清單上勾選掉。
I check each item off the list as I prepare for the trip.
我在為旅行做準備時，將清單上的每個項目都勾選掉。
The manager asked us to verify each account and check them off the list.
經理要求我們核實每個帳戶並將它們從清單上勾選掉。