2N-VAR [oft with poss](文章等的)篇幅 The length of something such as a piece of writing is the amount of writing that is contained in it. (文章等的)篇幅
...a book of at least 100 pages in length.
一百多页厚的书
The length of a paragraph depends on the information it conveys.
段落的长短取决于它所传达的信息量。
3N-VAR [oft with poss](持续)时间的长短 The length of an event, activity, or situation is the period of time from beginning to end for which something lasts or during which something happens. (持续)时间的长短
The exact length of each period may vary. [+ of]
每一阶段的确切时长可能会有所不同。
His film, over two hours in length, is a subtle study of family life.
4N-COUNT (绳、布、木头等的)一段,一节,一截 A length of rope, cloth, wood, or other material is a piece of it that is intended to be used for a particular purpose or that exists in a particular situation. (绳、布、木头等的)一段,一节,一截
...a 30ft length of rope. [+ of]
一根30英尺长的绳子
You can hang lengths of fabric behind the glass. [+ of]
6N-COUNT (游泳池的)池长 If you swim a length in a swimming pool, you swim the distance from one end to the other. (游泳池的)池长
I swim 40 lengths a day.
我每天游20个来回。
7N-COUNT (赛艇中的)艇位;(赛马中的)马位,马身长度 In boat racing or horse racing, a length is the distance from the front to the back of the boat or horse. You can talk about one boat or horse being one or more lengths in front of or behind another. (赛艇中的)艇位;(赛马中的)马位,马身长度
Harvard won by four lengths.
哈佛大学队领先4个艇位胜出。
8N-SING 全程;全长 If something happens or exists along the length of something, it happens or exists for the whole way along it. 全程;全长
I looked along the length of the building. [+ of]
我的目光沿着大楼从首到尾扫过。
The inspiration stemming from his travels lasted the length of his career. [+ of]
11PHRASE 长久地;详尽地 If someone does something at length, they do it for a long time or in great detail. 长久地;详尽地
They spoke at length, reviewing the entire incident.
他们把事情的整个经过详尽地复述了一遍。
12PHRASE 不遗余力;竭尽全力;千方百计 If you say that someone goes to great lengths to achieve something, you mean that they try very hard and perhaps do extreme things in order to achieve it. 不遗余力;竭尽全力;千方百计
Greta Garbo went to great lengths to hide from reporters and photographers.
葛丽泰·嘉宝想方设法躲开记者和摄影师。
13at arm's length→see: arm the length and breadth of→see: breadth