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IELTS BNC: 1174 COCA: 1855

length

Word family 
Related topics: Horses, Swimming, Measurement
length /leŋθ/ ●●● S2 W2 noun  
1  size 尺寸 [countableC, uncountableU]LONG the measurement of how long something is from one end to the other 长，长度 → breadth, width
 We measured the length and width of the living room.
我们量了客厅的长和宽。
a length of 1 metre/2 feet etc
 Some fish can grow to a length of four feet.
有些鱼可以长到4英尺长。
2 feet/10 metres etc in length
 The hotel pool is 15 metres in length.
酒店的游泳池有15米长。
 You’ll need several pieces of string of different lengths.
你需要几根长度不等的绳子。
→5 see picture at 见图 dimension
2  time 时间 [countableC, uncountableU]TIME/HOW LONG the amount of time that you spend doing something or that something continues 时间长度 → duration
length of
 Your pension will depend on your length of employment.
养老金的多少取决于工作年限。
 What’s the average length of stay in hospital?
住院时间平均有多长？
(not) for any length of time (=not for very long) 没有多长时间
 He wasn’t left alone for any length of time.
他被单独留下来的时间不长。
 Register
In everyday English, people usually talk about how long something is in space or time, rather than using the noun length: 在日常英语中，人们在提及某事物的长度或持续时间时一般用 how long，而不用名词 length
We need to know the length of the table. → We need to know how long the table is.
我们得知道桌子有多长。 | He was annoyed by the length of time he had to wait. → He was annoyed by how long he had to wait. 他得等那么长时间，这让他很生气。
3  books/films etc 书/电影等 [countableC, uncountableU]LONG the amount of writing in a book, or the amount of time that a film, play etc continues 〔书的〕篇幅；〔电影、戏剧等的〕长度
length of
 We had to cut the length of the book by one third.
我们不得不把书的篇幅砍掉三分之一。
of this length
 Films of this length (=as long as this) are pretty unusual.
这么长的电影很少见。
4  run/stretch/walk etc the (full) length of something ALL/EVERYTHINGto go or move from one end to the other of something 横跨/延伸/走过某物的整个长度
 The wall ran the full length of the garden.
那堵墙从花园这头延伸到那头。
 They walked the length of the pier.
他们走完了整条长堤。
Examples from the Corpus
run/stretch/walk etc the (full) length of something• I always enjoyed walking the full length of the street to check how the other shops were faring.• The loft ran the length of the house from front to back, and it was lit by two unshaded forty-watt bulbs.• Next door, the living room is large and beautifully proportioned, running the length of the house.• Then Red runs the length of the court, grabs a pass, drives to the basket and sinks one.• A faint scar ran the length of his left cheek.• I would have to walk the length of the shed to reach him.
5  shoulder-length/knee-length etc reaching down as far as your shoulders etc 齐肩/齐膝等的
 shoulder-length hair
齐肩的头发
 an ankle-length dress
长及脚踝的连衣裙
6  go to some/great/any lengths (to do something) TRY TO DO OR GET somethingDETERMINEDto try very hard or to do whatever is necessary to achieve something that is important to you 千方百计/竭尽全力(做某事)
 He went to great lengths to keep their name out of the papers.
他想方设法不让他们的名字见报。
 Bella would go to any lengths to fulfil her ambition.
贝拉会想尽一切办法去实现她的抱负。
Examples from the Corpus
go to some/great/any lengths (to do something)• Yet Phillips climbed the wall anyway, went to great lengths to hurt his ex-girlfriend.• Both want to steal the show and they are going to great lengths to do it.• Furthermore, bats go to great lengths to avoid confrontations with people.• George Bush went to great lengths to keep out of his way on the campaign trail.• The Medieval church went to some lengths to specify the roles of particular stones in religious imagery.• Who knows whether Oppenheimer went to any lengths to find anyone who had anything good to say about Stewart.• When uninterrupted by unforeseen or unrecognized obstacles, parents will go to great lengths to provide these advantages for their children.• Dealers, sometimes surreptitiously encouraged by their firms, would go to great lengths to extract information from employees of rival firms.
7  at (some/great etc) length 
a) LONG TIMEif you talk at length about something, you talk about it for a long time 长时间地
speak/talk etc at length
 The young people spoke at length about their experiences.
年轻人畅谈各自的经历。
 We’ve already discussed the subject at great length.
这个话题我们已经讨论了很长时间。
b) literaryAFTER after a long time 长时间后，最后，最终
 ‘I don’t agree, ’ she said at length.
“我不同意。” 最后她说道。
Examples from the Corpus
at (some/great etc) length• This argument is both diversionary and, at length, immobilizing.• Moreover, they were journalists from a premier worldwide newsgathering organization, playing themselves and at great length in a feature-film fantasy.• The distinctions between kinds of complex idea are considered at some length in the Essay.• An example may, in consequence, be worth considering at some length.• All the torments of the one class and the joys of the other are described at length.• Their objections, based on religious grounds, are discussed at length in the opinion.• The criteria employed for the weeding process are discussed at some length in Chapter 11.• Standing in the farmyard, Giles Aplin also spoke to Seb at some length.
8  the length and breadth of the area/country/land etc EVERYWHEREin or through every part of a large area 各处，到处
Examples from the Corpus
the length and breadth of the area/country/land etc• But the Jaipur is hoping that eventually passengers will be eating their food the length and breadth of the country.• They dogged him the length and breadth of the country, wherever the small troupe of players appeared.
9  piece 段、根 [countableC]LONG a piece of something long and thin 细长的一段[一根，一条]
10  in races 在比赛中 [countableC]DSH the measurement of a horse, boat etc from one end to the other – used when saying how far the horse, boat etc is ahead of another 一马位；一艇位〔比赛中超出对手的长度〕
11  swimming 游泳 [countableC]DSS the distance from one end of a swimming pool to the other 游泳池的长度
→ hold something at arm’s length at arm1(8), → keep/hold somebody at arm’s length at arm1(9), → full-length1
n COLLOCATIONS
verbs
measure the length of something
The children measured the length of their shadows at three different times of day.
have a length of 1 metre/2 feet etc
These leaves have a length of about 7 cm.
grow to/reach a length of 2 metres/8 feet etc
A blue whale can reach a length of 100 feet.
run the length of something (=exist along the whole length of something)
A long corridor ran the length of the building.
adjectives
the total length
The total length of the completed railway line will be almost 650 kilometres.
an average length
These worms grow to an average length of about 1 metre.
the whole/full/entire length of something
The camera looks down the full length of the street.
medium length
All the girls had short or medium length hair.
equal/unequal length
She drew two lines of equal length.
a maximum/minimum length
This species of fish can reach a maximum length of 12 inches.
Examples from the Corpus
length• These fish can grow to a length of four feet.• The average length of a stay in the hospital has dropped sharply.• Actually, no-one has legs of exactly equal length.• The service developments which followed the Home Support Project will be discussed at greater length in the final chapter.• The leaves reach 20-25 cm in length.• The two pieces or rope were unequal in length.• For most of its length it didn't look hard enough and then, with its final roll, it fell in.• Bear in mind that all sections must add up to the overall length measurement.• Try these trousers, they look about the right length.• Do you want your hair at the back to be the same length as the sides?• Ron swims several lengths every morning.• Thread a small length of round elastic through the base of the puppet.• At ten lengths the furthest Pfalz turned to meet the attack, far too late.• In silence, they watched the man's progress along the length of the corridor.• Greene's book is less than half the length of most novels.• I like the length of this skirt.• Measure the length of all three sides of the triangle.• This in turn led to criticism of the length and complexity of documents that customers were being asked to sign.• Aksar won by three lengths.• The windows stretch across the whole length of the wall.
length of• The leaves reach a length of about 4 inches.• a length of rope
of this length• A review of this length can only touch on its range.
a length of rope/pipe/wire etc• Being Vinnie that means two blondes, a length of rope and a tiger skin.• The man in the cradle was whistling to himself and coiling a length of rope.• Together the two of them set out for Lamri, leading the goat on a length of rope.• She too was calm and stood patiently while he attached the chain to a length of rope around her neck.• Left: Waterfalls can chill your water in the winter, unless you divert the flow with a length of pipe.
Origin length
Old English lengthu, from lang; → LONG1
length noun →REGISTER1 →n COLLOCATIONS1
LDOCE Online
Chinese
Corpus
IELTS BNC: 1174 COCA: 1855
length

noun¹

 1distance from one end to the other長度ADJECTIVE | VERB + LENGTH | PREPOSITION | PHRASES ADJECTIVE➤entire, full, maximum, whole整個長度；全部長度；最大長度；全長◇There is a maximum length of 2 500 words.篇幅不得超過 2,500 個單詞。◇A long veranda runs the whole length of the building.一條長廊貫通整棟建築。➤great非常長的長度◇a ditch of great length and width又長又寬的溝➤medium中等長度▸➤overall, total總長度▸➤average平均長度VERB + LENGTH➤estimate, measure估計／測量長度◇He measured the length and width of the table.他量了桌子的長和寬。➤have有⋯長◇The vehicle has an overall length of 12 feet.這輛車總長 12 英尺。➤grow to, reach增加到／達到⋯長度◇These fish can reach a length of over five feet.這些魚身長可超過 5 英尺。➤double in, increase in長度加倍；增加長度▸➤cut sth to將⋯減到⋯長度◇Measure the size of the window and cut the cloth to length.量好窗戶的尺寸，然後按尺寸裁布。➤drive, extend, run, swim, travel, walk, etc.行駛、延伸、跑、游、旅行、走等某一距離◇The fence runs the length of the footpath.籬笆沿整條小路延伸。PREPOSITION➤along the length of沿着◇There were lights along the whole length of the street.整條街上都有燈。➤in length長度為◇The pipe was six feet in length.管道長 6 英尺。PHRASES➤at arm's length以一臂之距；以一定距離◇He has to hold newspapers at arm's length to focus on the print.他必須將手臂伸直拿着報紙才能看清上面的字。◇She kept him at arm's length until he stopped smoking. (figurative) 在他戒煙以前，她一直與他保持一定距離。➤double, twice, three times, half, etc. the length of sth⋯兩倍、三倍、一半等的長度◇The queen bee is twice the length of a worker bee.蜂王的體長為工蜂的兩倍。
length

noun²

 2amount of time that sth lasts持續時間ADJECTIVE | VERB + LENGTH | LENGTH + VERB | PREPOSITION | PHRASES ADJECTIVE➤considerable, great, inordinate相當長的時間；極長的時間；過長的時間▸➤reasonable合適的時長VERB + LENGTH➤cut, reduce, shorten縮短時間▸➤increase延長時間LENGTH + VERB➤increase時間延長▸➤decrease時間縮短PREPOSITION➤at length詳細地◇He told me at length about his new job.他向我詳細地說了他新工作的情況。➤in length時長為◇Each lesson was an hour in length.每節課時長是一小時。PHRASES➤length of time時間長度◇They complained about the inordinate length of time they had to wait.他們抱怨等的時間太長。
length

noun³

 3length of a swimming pool泳池長度VERB + LENGTH➤do, swim游⋯距離◇I did 20 lengths today.我今天在游泳池裏游了 10 個來回。
IELTS BNC: 1174 COCA: 1855
length noun
⇨ length (the length of the river) ⇨ piece (a length of rope) length

noun

length ♦︎ height ♦︎ depth ♦︎ width ♦︎ diameter ♦︎ thicknessThese are all words for a measurement of distance between two ends or sides of sth. 这些词均表示两端或两侧之间的长度或距离。PATTERNS AND COLLOCATIONS 句型和搭配◆sth has a length / height / depth / width / diameter / thickness of 20 cm / 30 m, etc.◆sth is / measures 20 cm / 30 m, etc. in length / height / depth / width / diameter / thickness◆sth is of a particular length / height / depth / width / diameter / thickness◆a great length / height / depth / width / thickness◆an average length / height / depth / width / diameter / thickness◆a standard length / height / width◆a maximum / minimum length / height / depth / width / diameter / thickness◆the full length / height / width / thickness of sth◆the total length / height / depth / width / thickness of sth◆to measure the length / height / depth / width / diameter / thickness of sth◆to calculate the length / height / depth / diameter of sth■ length [uncountable, countable] the distance or measurement along sth from one end to the other 长；长度◆This room is twice the length of the kitchen.这个房间的长度是厨房的两倍。◆The river is 300 miles in length.这条河长300英里。◆The snake usually reaches a length of 100 cm.这种蛇一般可长到100厘米。◆He ran the entire length of the beach (= from one end to the other).他从海滩的头跑到尾。▸ long

adjective

◆long hair长发◆a long corridor / bridge长廊；长桥◆The table is six feet long.那张桌子长6英尺。 OPP short ⇨ short 2 ■ height [uncountable, countable] the measurement of how tall a person or thing is （人的）身高；（物体的）高度◆Please state your height and weight.请注明你的身高和体重。◆He is of medium height and slim build.他中等身材，体形修长。◆You can adjust the height of the chair.你可以调节椅子的高度。◆The table is available in several different heights.这款桌子有几种不同的高度可供选择。  see also high ⇨ high 2 ■ depth [uncountable, countable] the distance or measurement from the top or surface to the bottom of sth 向下的距离；深（度）；纵深◆What's the depth of the water here?这儿的水有多深？◆Water was found at a depth of 30 metres.在30米深处找到了水。◆They dug down to a depth of two metres.他们挖到了两米深。ⓘ Depth can also be the distance from the front to the back of sth. * depth也可表示向里的距离或进深◆The depth of the shelves is 30 centimetres.这些书架的深度为30厘米。 ▸ deep

adjective

◆a deep hole / well / river很深的洞／井／河◆deep water / snow深水；厚雪◆a deep cut / wound / space很深的刀口／伤口；深邃的空间◆The water is only a few inches deep.这水只有几英寸深。 OPP shallow ⓘ The opposite is shallow. * deep的反义词是shallow◆They were playing in the shallow end (= of the swimming pool).他们在游泳池的浅水区玩耍。◆These fish are found in shallow waters around the coast.这些鱼生长在海边的浅水水域。 ■ width [uncountable, countable] the distance or measurement across sth from one side to the other 宽度；广度◆It's about 10 metres in width.宽约10米。◆The terrace runs the full width of the house.露台和房子一般宽。◆The carpet is available in different widths.这款地毯有各种宽度可供选择。  see also wide ⇨ wide 2 ■ diameter daɪˈæmɪtə(r) [uncountable] the length of a straight line going from one side of a circle or any other round object to the other side, passing through the centre 直径；对径◆The radius of a circle is half its diameter.圆的半径是直径的一半。◆The dome is 42.3 metres in diameter.这个穹顶直径为42.3米。■ thickness [uncountable, countable] the distance through sth between its closest opposite surfaces or sides 厚；厚度；粗◆Use wood of at least 12 mm thickness.使用至少12毫米厚的木材。◆Roll the pastry to a thickness of about 5 mm.将油酥面皮擀成大约5毫米厚。◆The board is available in four thicknesses.有四种不同厚度的木板可供选择。  see also thick ⇨ wide 2
IELTS BNC: 1174 COCA: 1855
length
Length, width and depth: length, width, depth...
General words relating to frequency and duration: frequency, rate, irregularity...
Units for measuring length or width: bore, centimeter, centimetre...
Swimming pools and swimming and diving equipment: aqualung, armband, diving bell...
Long and thin objects: line, strip, stick...
Races and racing: ahead, a poor second, baton...

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