mark off
phrasal verbmark somebody/something off (from somebody/something)
mark something off
to separate something by marking a line between it and something else 画线分隔;划开 to put a mark by or through something written or printed to show that it has been dealt with 标记: 通过或通过书面或印刷的东西来标记,以表明它已被处理He marked off their names on the list. 他在名单上划掉了他们的名字。