1. (用线)画出，圈出
If you mark off a piece or length of something, you make it separate, for example by putting a line on it or around it.
e.g. He used a rope to mark off the circle...
他用绳子把那个圈围了起来。
e.g. Read the text through and mark off the sections you find particularly applicable.
通读全文，画出你认为最有用的段落。
2. mark off的解释
2. 使区别于;使突出
If a particular quality or feature marks someone or something off from other people or things, it is unusual and makes them obviously different.
e.g. Her clothes, of course, marked her off from a great number of the delegates at the conference...
她的穿戴显然使她有别于与会的许多其他代表。
e.g. The traditionalist influences within the navy marked it off as a rather old-fashioned institution.
传统势力在海军内部的影响使其显得像是一个极其守旧的机构。
3. (用画线的方式)划去，勾销
If you mark off a date on a calendar or an item on a list, you put a line through it or next to it, in order to show that it has been completed or dealt with.
e.g. He marked off the days on a calendar...
他划去日历上的日期。
e.g. Miss Hoare called out names and marked them off.
霍尔小姐点名后把它们一一划掉。
1. British sprint star Mark Cavendish will be coming off the Tour de France, along with Tour champion Cadel Evans of Australia and Swiss time trial specialist Fabian Cancellara.
2. mark off
2. The Swiss wilted in the heat after defender Bernt Haas was sent off on the hour mark and now face likely elimination.
3. mark off的意思
3. The whole country kicked off a number of sports activities to mark this day and these activities will continue until the end of August.
4. The national press in Britain has been slower off the mark, but they are forging ahead now.
5. Tang projected that the wage increases next year will mark off another 1 to 2 percent at least in its gross profit margin next year.
6. Henry came off to a standing ovation just after the hour mark with just a goal missing from a stellar display.
7. The Sydney Opera House shines at night as the city turns off its lights to mark " Earth Hour " in 2007.
8. Mark Hughes resigned as manager of Fulham on Thursday and immediately brushed off speculation linking him with the vacancy at Premier League rivals Aston Villa.
9. They don't seem content to simply erect fences to mark off their construction sites.
10. More Chinese cities and people are expected to mark the event by turning off lights.