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TOEFL IELTS BNC: 1708 COCA: 1802

investigate

Word family 
in·ves·ti·gate /ɪnˈvestɪɡeɪt/ ●●● W2 AWL verb  
1  [intransitiveI, transitiveT]INVESTIGATE to try to find out the truth about something such as a crime, accident, or scientific problem 查明；调查；侦查〔犯罪、事故或科学问题等的真相〕
 The state police are investigating the incident.
州警察正调查此事。
 The study investigates the impact of violent TV programming on children.
该研究调查暴力电视节目对儿童的影响。
 I heard a noise and went downstairs to investigate.
我听见响声，就下楼去看个究竟。
 Register
In everyday English, people often say look into something rather than investigate something: 在日常英语中,人们常说look into something,而不说investigate something
I’ll ask my colleague to look into it.
我会请同事查一下这件事。
2  [transitiveT]SCCINVESTIGATE to try to find out more about someone’s character, actions etc, because you think they may have been involved in a crime 调查〔某人，因认为某人可能卷入了罪案〕
 Penney was already being investigated by the police on suspicion of murder.
彭尼因涉嫌谋杀已在接受警方调查。
n THESAURUS
investigate to try to find out the truth about something such as a crime, accident, or scientific problem
Police are investigating an explosion in the city centre.
The aim of the study is to investigate how climate change is affecting animal behaviour.
There were fears he may have drowned in the lake, so divers were sent down to investigate.
look into something to find out more about a problem, especially after someone has asked you to do this
The manager promised to look into my complaint.
Please could you look into the matter for me?
explore to consider or discuss something, in order to help you decide what you should do
Military leaders are exploring new ways of defending the United States from terrorism.
I’m going to explore the possibility of a part-time job.
probe [intransitiveI, transitiveT] to try to find secret or hidden information, especially by asking questions
The press began probing into the actor’s private life.
We have been probing the reasons why the government has been so slow to react to the problem of climate change.
delve [intransitiveI] to look somewhere in order to try to find more information about something, especially something that is difficult to find out about
Over the past year Ms Deen has been delving into the national archives, in order to discover information on the early Muslim settlers.
I think we need to delve a little deeper.
be under investigation if someone or their activities are under investigation, the police are trying to find out if they have done something illegal
Several public figures are under investigation for corruption.
Examples from the Corpus
investigate• We sent our reporter, Michael Gore, to investigate.• Police are investigating an explosion at the city store.• Hunt was investigated for more than a year before he was arrested.• The commission will investigate the cause of the accident, focusing especially on safety issues.• The FBI has been called in to investigate the murder.
From Longman Business Dictionary
investigatein·ves·ti·gate /ɪnˈvestɪgeɪt/ verb [intransitiveI, transitiveT]
to try to discover the truth about a crime, accident etc
The fraud office isinvestigating allegations of insider trading by a former employee of the firm.
—investigation noun [countableC, uncountableU]
a bankerunder criminal investigation
a federal investigation into junk bond trading
—investigator noun [countableC]
a government investigator
Origin investigate
(1500-1600) Latin past participle of investigare “to follow the track of”, from vestigium “track”
in·ves·ti·gate verb →REGISTER1 →n THESAURUS1
LDOCE Online
Chinese
Syllable
Corpus
TOEFL IELTS BNC: 1708 COCA: 1802
investigate

verb

ADVERB | VERB + INVESTIGATE | PREPOSITION ADVERB➤carefully, closely, in detail認真／嚴密／詳細調查▸➤extensively廣泛調查▸➤adequately, fully, properly, thoroughly充分／全面／適當／徹底調查◇The allegations have not yet been properly investigated.這些指控尚未經過適當調查。➤actively, vigorously積極／全力調查◇He claimed the Army had failed to vigorously investigate the case.他聲稱軍方沒有下大力調查此案。➤empirically, experimentally, rigorously, scientifically實證／實驗／嚴格地／科學地調查▸➤further進一步調查VERB + INVESTIGATE➤ask sb to, be called in to要求某人調查；應召前來調查◇Police have been called in to investigate the complaints.警察被召來調查這些投訴。➤decide to決定調查▸➤agree to, pledge to, promise to同意調查；承諾開展調查◇The company has promised to investigate claims that its products are unsafe.公司承諾對其產品存在安全隱患的投訴進行調查。➤aim to, be designed to, seek to力圖調查；旨在調查PREPOSITION➤for因為⋯調查◇He is being investigated for illegal business dealings.因為涉嫌非法交易，他正在接受調查。
TOEFL IELTS BNC: 1708 COCA: 1802
investigate

verb

investigate ♦︎ explore ♦︎ look into sth ♦︎ research ♦︎ probe ♦︎ enquire into sth ♦︎ delve into sthThese words all mean to examine sth in order to find out more about it. 这些词均表示调查、探究、查考。PATTERNS AND COLLOCATIONS 句型和搭配◆to look / research / probe / enquire / delve into sth◆to investigate / explore / look into / research / enquire into what / why / how / whether...◆to investigate / explore / look into / research / enquire into a problem / matter◆to investigate / explore / look into / research / delve into a subject◆to investigate / look into / probe / enquire into an allegation◆to investigate / explore / probe further◆to look / enquire / delve further into sth◆to carefully investigate / explore / research sth◆to enquire carefully into sth◆to look / probe / enquire / delve deep / deeper / deeply into sth◆to investigate / explore / probe sth in detail■ investigate [intransitive, transitive] to carefully examine the facts of a situation, event or crime to find out the truth about it or how it happened; to try to find out information about sb's character or activities; to find out information about a subject or problem by study or research 调查；侦查；研究◆The FBI has been called in to investigate.联邦调查局奉命进行调查。◆ (informal) 'What was that noise?' 'I'll go and investigate.'“那是什么声音？”“我去看一下。”◆Police are investigating possible links between the two murders.警方正在调查这两起谋杀案之间是否存在关联。◆This is not the first time he has been investigated by the police for fraud.这不是警方第一次调查他是否有欺诈行为。◆The research investigates how foreign speakers gain fluency.这项研究调查了讲外语的人如何提高流利程度。  see also investigation ⇨ report noun 1 ■ explore [transitive] to examine or discuss an idea, issue or possibility completely or carefully in order to find out more about it 探究；调查研究；探讨◆These ideas will be explored in more detail in chapter 7.这些观点将在第7章里作更详细的探讨。◆The study explores the differences between the way girls and boys talk.这项研究探讨了女孩和男孩讲话方式的差异。◆We need to explore every possible avenue (= every possibility).我们需要探究一切可能的情况。  see also exploration ⇨ research noun ■ ˌlook ˈinto sth

phrasal verb

to examine sth to find out more about it or to see whether it is possible 调查；审查◆A working party has been set up to look into the problem.已成立一个工作小组来调查这个问题。◆He was asked to look into the feasibility of a trial.他受命调查审判的可行性。■ research [transitive, intransitive] to study sth carefully and in detail to try to discover new facts about it 研究；探讨；调查◆She's in New Zealand researching her new book.她在新西兰为她的新书搜集材料。◆The book has been poorly researched.这本书所作的研究不足。◆They're researching into new ways of improving people's diets.他们正在研究改进人们饮食的新方法。ⓘ People research things especially in order to write a book, develop a new product or method of doing sth or start a new line of business. * research尤指为写书、开发新产品、找到新方法或开发新业务而作调查研究。   see also research ⇨ research noun ■ probe [intransitive, transitive] (especially journalism 尤用于新闻) to ask questions in order to find out secret or hidden information about sb/sth 盘问；追问；探究◆Jim changed the subject before she could probe any further.吉姆在她进一步盘问前换了个话题。◆He didn't like the media probing into his past.他不喜欢媒体追问他的过去。◆Scotland Yard to probe fraud allegations (= in a news headline) 苏格兰场将调查欺诈指控■ enˈquire into sth ( inquire into sth, especially in NAmE)

phrasal verb

to find out more information about sth, especially by asking questions （尤指通过提问）调查，查究，询问◆He was instructed to enquire into where responsibility for the conflict lay.他受命调查谁该为冲突负责。◆Jack knew not to enquire too closely into the affairs of his uncle.杰克明白对他叔叔的事不要查得太紧。  see also enquiry ⇨ research noun ■ delve into sth

phrasal verb

 (rather informal) to try hard to find out more information about sth, especially sth complicated or difficult to find out about 探索，探究，查考（尤指复杂或难以查考之事）◆She had started to delve into her father's distant past.她开始探究父亲久远的过去。
TOEFL IELTS BNC: 1708 COCA: 1802

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