1 PHRASAL VERB (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. (用线)画出,圈出
2 PHRASAL VERB 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. 使区别于;使突出
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Her clothes, of course, marked her off from a great number of the delegates at the conference. [V n P + from]
她的穿戴显然使她有别于与会的许多其他代表。
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The traditionalist influences within the navy marked it off as a rather old-fashioned institution. [V n P + as]
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。
SYN distinguish, identify
3 PHRASAL VERB (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. (用画线的方式)划去,勾销