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IELTS BNC: 689 COCA: 839

knowledge

Word family 
knowl·edge /ˈnɒlɪdʒ $ ˈnɑː-/ ●●● S2 W1 noun [uncountableU]  
1  KNOW somethingthe information, skills, and understanding that you have gained through learning or experience 知识；学问；认识
knowledge of
 He did not have much knowledge of American history.
他对美国历史所知不多。
knowledge about
 the need to increase knowledge about birth control
提高节育知识的需要
 Register
In everyday English, people usually say that someone knows about something rather than has knowledge of/about something: 在日常英语中，人们一般说某人 knows about something ，而不说 has knowledge of/about something
He didn’t know much about American history.
他对美国历史所知不多 。
2  INFORMATIONwhen you know about a particular situation or event, or the information you have about it 知道，了解；消息，信息
 Evans denied all knowledge of the robbery.
埃文斯说他对这次抢劫一无所知。
 I had no knowledge of this whatsoever until ‘The Times’ contacted me.
在《泰晤士报》和我联系之前，我对这件事毫不知情。
(secure/safe) in the knowledge that
 Kay smiled, secure in the knowledge that she was right.
凯微笑着，知道自己是对的她就放心了。
be common/public knowledge (=be known about by everyone) 是众所周知的事
 Their affair is public knowledge.
他俩的风流韵事已是尽人皆知。
to (the best of) somebody’s knowledge (=used to say that someone may not know the true facts) 就某人所知
 To the best of my knowledge, the new project will be starting in June.
据我所知，这个新项目将于6月份开始。
 To our knowledge, this is the first time it’s happened.
就我们所知，此事是第一次发生。
 ‘Is it true that she’s leaving the company?’ ‘Not to my knowledge (=I do not think so).’
“她真要离开公司了吗？”“我不这么想。”
without somebody’s knowledge
 He was annoyed to find the contract had been signed without his knowledge.
他发觉有人背着他签了合同，这让他很生气。
 She acted with the full knowledge of her boss (=her boss knew about her action).
她是在老板完全知情的情况下行事的。
 Ministers publicly denied that they had prior knowledge of the attack (=they denied that they knew that it was going to happen).
大臣们公开否认他们事先知道会发生袭击。
→ general knowledge, → working knowledge at working1(9)
5 GRAMMAR 语法
Knowledge is an uncountable noun and has no plural form. Use a singular verb after it. knowledge 是不可数名词，没有复数形式，后面要跟单数动词
Knowledge comes from research.
知识来自探究。
n GRAMMAR: Countable or uncountable?
Knowledge is an uncountable noun and is not used in the plural. You say:
He has a lot of technical knowledge.
✗Don’t say: He has a lot of technical knowledges.
Knowledge is always followed by a singular verb:
Expert knowledge is necessary.
When talking about something that you know or learn, you say a piece of knowledge:
This is a useful piece of knowledge.
 COLLOCATIONS
verbs
have some knowledge of something 具有某方面的知识
The book assumes that you already have some knowledge of physics.
这本书针对具备一定物理知识的读者。
get knowledge (also gain/acquire knowledge formal) 获得知识
He gets all his knowledge about politics from watching the television.
他所有政治方面的知识都是看电视得来的。
increase/improve your knowledge 增长知识
If you want to improve your knowledge of the language, you should go and live in France.
如果你想提高法语水平，就应该去法国居住。
nIn the past twenty years, we have greatly increased our knowledge of how the brain works.
broaden/expand your knowledge (=increase your knowledge) 扩展知识
The course is designed to help students broaden their knowledge of modern American literature.
这门课程旨在帮助学生更多地了解现代美国文学。
show/demonstrate your knowledge 显示自己的知识
The test should be an opportunity for students to demonstrate their knowledge.
这项测验应该可以让学生有机会展示自己的知识。
ADJECTIVES/NOUN + knowledge
general knowledge (=knowledge about a lot of different subjects) 一般知识，常识
The questions are intended to test your general knowledge.
这些问题是为了测试你的常识。
scientific/technical knowledge 科学/技术知识
the practical application of scientific knowledge
科学知识的实际应用
specialist/expert knowledge 专业知识
Making profitable investments requires specialist knowledge.
做可赢利的投资需要有专业知识。
detailed knowledge 详尽的知识
You need to have a detailed knowledge of criminal law.
你要具备详尽的刑法知识。
first-hand/personal knowledge (=knowledge from experiencing something yourself) 直接获得/从亲身经历获得的知识
writers who had no first-hand knowledge of war
没有亲身经历过战争的作家
basic knowledge (=knowledge of the basic aspects of something) 基本知识，基础知识
These things are obvious to anyone with even a basic knowledge of computers.
对于任何只懂得基本电脑知识的人而言，这些东西也都是显而易见的。
in-depth/thorough knowledge (=detailed knowledge about all of a particular subject) 深入/全面的知识
nHe demonstrated an in-depth knowledge of the subject matter.
nconsiderable/extensive/vast knowledge
She had considerable knowledge of antiques.
intimate knowledge (=knowledge about something because you are involved in it) 透彻的了解
nHe seemed to have an intimate knowledge of prison life.
inside knowledge (=knowledge that you have because you are part of a group) 内情
nhis inside knowledge gained from 20 years in the industry
background knowledge (=knowledge that you need before you can understand or do something) 背景知识
nThe test will show what background knowledge a student brings to the course.
phrases
a thirst for knowledge (=a desire to learn more) 对知识的渴求
She arrived at college with a thirst for knowledge.
她怀着求知若渴的心情来到大学。
somebody's breadth of knowledge (=when you know a lot about all the different parts of something) 某人知识的渊博
They lack his breadth of knowledge about the industry.
他们缺乏像他那样对这一行业的广博知识。
COMMON ERRORSDon’t say 'learn knowledge'. Say gain knowledge or acquire knowledge.
不要说 ‘learn knowledge’. 而要说 gain knowledge 或 acquire knowledge.
 THESAURUS
knowledge the facts and information that you have learned, and the understanding you have gained 知识；学问；认识
Our knowledge of other cultures and societies has improved.
我们对其他文化和社会的了解增加了。
scientific knowledge
科学知识
expertise special knowledge about how to do something, that you get through experience, training, or study 专门知识，专业知识
The technical expertise was provided by a Japanese company.
技术知识由一家日本公司提供。
They need people with medical expertise.
他们需要具备专业医学知识的人才。
know-how practical knowledge about how to do something 实用技能
Business leaders often lack the local know-how to tackle problems in specific countries.
企业领导者往往缺乏应对当地实际情况的技巧，难以解决在某些国家遇到的问题。
financial know-how
实用金融知识
wisdom good sense and judgment, based on knowledge and experience 智慧
the wisdom of the older family members
家庭中长者的智慧
It’s a matter of common wisdom that newspapers cannot be trusted.
报纸不可信，这是常识。
grasp how much you know about a situation or subject, and how well you understand it 理解，领会
He’s been praised for his grasp of the country’s economic problems.
他因对该国经济问题的理解把握而受到赞扬。
She has a good grasp of the language.
她充分掌握这门语言。
Examples from the Corpus
knowledge• My knowledge of Japanese is limited to a few phrases.• He doesn't have the skills or knowledge needed to do the job.• scientific knowledge
knowledge about• Few parents have enough knowledge about college entry requirements to help their children.• American students have been accused of a lack of knowledge about geography.
with the full knowledge of• Treatment options are then discussed by the entire team with the full knowledge of the client.
From Longman Business Dictionary
knowledgeknowl·edge /ˈnɒlɪdʒˈnɑː-/ noun [uncountableU]
facts, skills and understanding gained through learning or experience
Given its market knowledge, Price Waterhouse was able to provide a useful insight into each supplier.
knowledge of
Auditors’ knowledge of their client company means they are well-placed to judge the likelihood of company survival.
→ tacit knowledge
Origin knowledge
(1300-1400) knowledge “to acknowledge” ((13-18 centuries)), from know
knowl·edge noun →5 GRAMMAR1 →n GRAMMAR2
→REGISTER1 →COLLOCATIONS1 →THESAURUS1
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