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单词 security
释义
security
noun
uk
/sɪˈkjʊə.rə.ti/us
/səˈkjʊr.ə.t̬i/

securitynoun(PROTECTION)

B1[U]
protectionof aperson,building,organization, orcountryagainstthreatssuch ascrimeorattacksbyforeigncountries:
保护（措施）；安全（保障）
Thestationwasclosedfor twohoursbecause of a securityalert.由于有安全警报，车站关闭了两小时。
30demonstratorswerekilledinclasheswith the securityforcesover theweekend.周末，30名示威者在与保安部队的冲突中丧生。
Thetightersecuritymeasures/precautionsincludevideocamerasthroughoutthecitycentre.加强安全保障措施包括在市中心安装摄像头。
Thestudentsweredeportedbecause theyposedathreattonationalsecurity.这些学生因对国家安全构成威胁而被驱逐出境。
Thebanksmusttightensecurity againstfraud.银行必须加强安全措施，防止诈骗。
The mostdangerouscriminalsareheldinmaximum-securityprisons(=prisonsthat are asdifficultaspossibletoescapefrom).最为危险的罪犯被关押在戒备最森严的监狱里。
[U,+ sing/pl verb]
thegroupofpeopleresponsibleforprotectingabuilding:
保安人员
You'll need tonotifysecurity if youwanttoworklate in theoffice.如果想在办公室里工作到很晚，你需要通知保安人员。
More examples
  • Why would atenantagreetoswaplife-time security for ashort-termlease?
  • You need somefinancialsecurity when you havechildren.
  • Governmentbondsare asoundinvestmentbecause theycombinegoodprofitsand high security.
  • In thisageofshort-termcontracts,jobsecurity oftenseemslike a thing of the past.
  • If it's achoicebetweenhigherpayandjobsecurity, I'dprefertokeepmyjob.
SMART Vocabulary: related words and phrases
Protection and protectors
  • adopt
  • adoptable
  • aegis
  • anti-shark
  • anti-skid
  • chaperone
  • custodian
  • CVV
  • cybersecurity
  • defence mechanism
  • den mother
  • doorkeeper
  • precaution
  • preservationist
  • rewilding
  • ring-fence
  • safe space
  • safeguarding
  • safekeeping
  • witness protection
See more results »

securitynoun(CERTAINTY)

C1[U]
thefactthat something is notlikelytofailor belost:
保障；牢靠
If it's achoicebetweenhigherpayandjobsecurity, I'dprefertokeepmyjob.如果在更高的薪酬和安稳的工作两者之间进行选择，我宁愿保住工作。
I'm on atemporarycontractand have littlefinancialsecurity(= cannot besureof having enoughmoneytoliveon).我签的是临时合同，没什么经济保障。
SMART Vocabulary: related words and phrases
Safe and secure
  • airworthiness
  • airworthy
  • as safe as housesidiom
  • biosafety
  • bite
  • health and safety
  • impregnable
  • in safe handsidiom
  • innocent
  • innocuous
  • safe
  • safe space
  • safeguard
  • safely
  • safeness
  • someone/somethingwon't biteidiom
  • the coast is clearidiom
  • untouchable
  • well kept
  • worthy
See more results »

securitynoun(FINANCE)

[U]
propertyorgoodsthat youpromiseto give to someone if you cannotpaywhat youowethem:
保证金；担保品
She used hersharesin thecompanyassecurityagainsta $23 millionbankloan.她用自己在公司的股票作抵押向银行借了2300万美元。
Thehotelheldontooursuitcasesassecurity while we went to thebankto getmoneytopaythebill.宾馆扣下我们的行李作为抵押，我们则去银行取钱来付账。
securities[plural]finance & economicsspecialized
investmentin acompanyor ingovernmentdebtthat can betradedon thefinancialmarketsandproducesanincomefor theinvestor
证券；债券
SMART Vocabulary: related words and phrases
Borrowing & lending
  • amortizable
  • amortization
  • arrears
  • bad debt
  • bonded
  • borrow
  • borrowing
  • credit rating
  • IOU
  • leveraged buyout
  • on the slateidiom
  • over-borrowed
  • overdraft
  • overpayment
  • pay downsomething
  • pay off
  • paysomeone/somethingback
  • reschedule
  • secure
  • straight
See more results »

You can also find related words, phrases, and synonyms in the topics:

Stock markets

securitynoun(CONFIDENCE)

C2[U]
thefeelingof beingconfidentin one'sfamilyandrelationships:
（在家庭或一段关系中）安全感；安心
Mostchildrenneed the security of astablefamilylife.大多数孩子需要稳定的家庭生活带来的安全感。
SMART Vocabulary: related words and phrases
Confidence & self-assurance
  • amour propre
  • aplomb
  • assertive
  • assertively
  • assertiveness
  • dignity
  • dogmatic
  • dogmatically
  • dogmatism
  • dogmatist
  • putyourshirt onsomethingidiom
  • rakish
  • rakishly
  • rakishness
  • safe
  • surefootedness
  • surely
  • swag
  • swash
  • tall
See more results »
(Definition ofsecurityfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

security| American Dictionary

security
noun
us
/sɪˈkjʊər·ɪ·t̬i/

securitynoun(FREEDOM FROM RISK)

[U]
freedomfromriskand thethreatofchangefor theworse:
financial/jobsecurity

securitynoun(FREE FROM DANGER)

[U]social studies
freedomfromdanger;safety:
For securityreasons, for theprotectionof theWhiteHouseand thepresident, theyfeltitnecessarytoclosetheavenue.
Aconvictedspy, hesoldinformationthat may havedamagedournationalsecurity.
[U]social studies
Security is also thegroupofpeopleresponsibleforkeepingbuildingsor otherareassafe:
If anyone gives youtrouble, justcallsecurity.

securitynoun(INVESTMENT)

[Cusually pl]
aninvestmentin acompanyor ingovernmentdebtthat can betradedon thefinancialmarkets

securitynoun(MONEY)

[U]
moneyyoupaysomeone that can belegallyused by thatpersonifyouractionscausethepersontolosemoney, but that will bereturnedto you if it is not used:
You have give thelandlordanextramonth’srentas security when yousignthelease.
(Definition ofsecurityfrom theCambridge Academic Content Dictionary© Cambridge University Press)

security| Business English

security
noun
uk
/sɪˈkjʊərəti/us
[U]
theprotectionofpeople,organizations,countries, etc. against apossibleattackor othercrime:
border/homeland/nationalsecurity
boost/improve/tighten securityAirport security has beentightenedsince theterroristthreat.
lax/strict/tightsecurity
He washeadof security at the Federal AviationAdministration.
securityfirm/contractor/company
security system/check/measureAnyoneenteringthebuildinghas toundergoaseriesof securitychecks.
Theairportwastemporarilycloseddueto asecurityalert.
securitycameras/lights/doors
[U]IT,BANKING,INTERNET
theprotectionofinformationagainst beingstolenor usedwronglyorillegally:
data/information/IT security
security measures/checks/controlsThebankhas takenadditionalsecuritymeasurestoensureaccountsareprotected.
[U]
thefactorfeelingthatyourjob,money, etc. issafeand you will notloseit:
Helefttherelativesecurity of acorporatejobto set up on his own.
give/offer sb securityHis 15-yearcareerininvestmentbankinghas given him thefinancialsecurity totransferhisskillsto thevoluntarysector.
economic/financialsecurity
They areconcernedabout the security oftheirinvestments.
[C,usually plural]FINANCE,STOCK MARKETpluralsecurities
afinancialinvestmentsuch as abondorsharethat istradedon afinancialmarket:
buy/hold/sell securitiesInvestors whoboughtsecurities made up ofsubprimeloanssufferedthebiggestlosses.
dealin/investin/issuesecurities
asecuritiesagreement/audit/dealer
asecuritiesbusiness/company/house
[U]FINANCE
propertyorgoodsthat youpromiseto give someone if you cannotpaythem what youowethem:
give/offer/pledge sth as securityShesignedpaperspledgingtheirhomeas security against theloan.

See also

asset-backed
bearer security
continuing security
convertible security
dated security
employment security
food security
fixed-interest security
gilts
government security
View all
job security
listed security
long-term security
marketable security
medium-term security
mortgage-backed
negotiable
short-term security
undated security
unlisted security
(Definition ofsecurityfrom theCambridge Business English Dictionary© Cambridge University Press)

Examplesofsecurity

security
Listed equity is composed of equity securities of listed corporations and units in listed unit trusts.
From theCambridge English Corpus
More generally, we have given no justification for why the securities market is incomplete in our model.
From theCambridge English Corpus
First, the returns may not be comparable because we are generating returns on securities with payoffs denominated in terms of the consumption good.
From theCambridge English Corpus
There are minimum requirements for the admission of securities and conditions for the derogations.
From theCambridge English Corpus
The first channel is a more developed capital market resulting from pension reforms, thus making the issuing of securities cheaper.
From theCambridge English Corpus
In those days if you got a move of 4/32nd's in the government securities market, it was considered a turbulent day.
From theCambridge English Corpus
In particular, the market may become less efficient informationally when derivative securities are introduced.
From theCambridge English Corpus
However, under this preference, an investor's holding of risky securities is independent of his wealth, as are the equilibrium prices.
From theCambridge English Corpus
Section 4 considers the special case in which the securities market is complete.
From theCambridge English Corpus
The uncertainties and anxieties that accompany this fast pace of change leaves them hankering after the imagined certitudes and securities of a more 'stable' past.
From theCambridge English Corpus
A weak financial system-reflecting an underperforming banking system, poor investment protection and corporate governance, or fragile securities markets-yields a high cost of financial intermediation.
From theCambridge English Corpus
There also may be other securities with payoffs contingent on public information.
From theCambridge English Corpus
Central banks joined the fray, liquidating their foreign securities to avoid capital losses in the event of a foreign devaluation.
From theCambridge English Corpus
The existence (and the creation) of multiple agents as in the cases of energy and securities tends to increase the control capacity of the principal.
From theCambridge English Corpus
By the early 1980s, cross-border flows of capital had reached enormous volumes, and issuance and trading of securities on international markets burgeoned.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocationswithsecurity

security

These are words often used in combination withsecurity.

Click on a collocation to see more examples of it.

added security
The use of special paper and printing techniques provideaddedsecurity.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
adequate security
Project managers must then make sure that both hardware and software components of the system are being tested thoroughly and thatadequatesecurityprocedures are in place.
From theCambridge English Corpus
armed security
Our security arrangements do include the provision of armed security.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/security##
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更新时间：2025/3/13 18:22:17