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TOEFL BNC: 632 COCA: 661
security
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noun [U] /sɪˈkjʊərəti/
  1. 1
    safety from attack, harm, or damage 安全；平安

    Every precaution has been taken to ensure the personal security of the delegates. 为保证代表们的个人安全而采取了各项防范措施。

    internal security :

    The information received is highly confidential and relates to internal security. 收到的信息属于高度机密，与国内安全有关。

    tight/lax security (=good/bad security) 严密/不严密的保安措施 :

    The meeting took place amid extremely tight security. 会议是在极严密的保安措施下召开的。

     Synonyms and related words
    Safe and harmless: safe, harmless, secure...
    1. a.
      [only before noun] connected with safety and protection 安全的；保安的

      security measures/arrangements/operations 安全措施/安排/行动

      the Prime Minister's security advisers 首相的安全顾问

       Synonyms and related words
      The practice or process of protecting: protection, sanctuary, safekeeping...
    2. b.
      the department within an organization that protects buildings and workers （机构的）安全保卫部门

      If you won't leave, I'll have to call security. 你如果不走我就要叫保安了。

       Synonyms and related words
      Departments in companies and organizations: acquisitions, arm, back office...
    See also national security
  2. 2
    a feeling of confidence and safety, or a situation in which you can feel confident and safe 把握；稳妥；安全感

    It gave her the security of knowing there was someone she could talk to. 知道有人可以听她倾诉，让她有了安全感。

    a sense/feeling of security :

    A predictable routine gives children a sense of security. 可预见的日常规律给孩子们一种安全感。

     Synonyms and related words
    Feelings of confidence and pride: confidence, pride, assurance...
    1. a.
      the degree to which you can feel confident and safe 保障；保证
      financial/job security :

      She was concerned about her financial security. 她在担心她的经济保障。

       Synonyms and related words
      Feelings of confidence and pride: confidence, pride, assurance...
  3. 3
    business property or goods that you agree to give to someone who has lent you money if you cannot pay the money back 抵押品

    Additional security for any loan may be required by the bank. 对任何一笔贷款银行都有可能会要求额外的抵押。

     Synonyms and related words
    Relating to borrowing money and owing money: borrowing, borrowing powers, call it quits...
See also
  • securities
TOEFL BNC: 632 COCA: 661
security

noun¹

 1feeling safe/being free from worry安全感；安全無憂ADJECTIVE | VERB + SECURITY | SECURITY + NOUN | PHRASES ADJECTIVE➤greater更大的安全感▸➤emotional, psychological情感上的／心理上的安全感▸➤economic, financial經濟保障▸➤job就業保障▸➤energy, food能源／食物保障VERB + SECURITY➤have有安全感◇They have the security of a good home.他們擁有幸福家庭所帶來的安全感。➤give (sb), provide (sb with)給予（某人）安全感；（向某人）提供安全保障◇He gave her the emotional security she needed.他給了她所需要的情感上的安全感。SECURITY + NOUN➤blanket (= an object that a child holds in order to feel safe) (often figurative) 安慰毯；安慰物◇He clings to her like a security blanket.他像摟着安慰毯一樣緊緊摟着她。PHRASES➤a false sense of security虛假的安全感◇The user will be lulled into a false sense of security.使用者會被誤導以為安全無虞。➤a feeling of security, a sense of security安全感➤security of tenure (law法律, especially BrE) 職位的穩定性
security

noun²

 2to protect sb/sth from thieves, attack, war, etc.保障ADJECTIVE | VERB + SECURITY | SECURITY + NOUN | PREPOSITION | PHRASES ADJECTIVE➤heightened加強的安全措施▸➤strict, tight嚴格的／嚴密的安全措施▸➤lax鬆懈的安全措施▸➤collective集體安全▸➤domestic, homeland, internal, national, state國家安全；國內治安➤airline, airport, aviation航空安全；機場安全➤border, port邊境／港口安全▸➤personal人身安全▸➤home家庭安全➤computer, data, information, Internet, network計算機／數據／信息／因特網／網絡安全➤long-term長期安全保障VERB + SECURITY➤provide (sb with)（向某人）提供安全保障▸➤ensure, guarantee確保／保障安全➤protect保障安全◇a law to protect national security保障國家安全的法律➤beef up (informal) , improve, increase, strengthen, tighten, tighten up加大安全力度；改進安全措施；加強安全保障；增強保安措施◇We need to tighten security around the hotel during the president's visit.總統訪問期間我們需要加強賓館周圍的安全保衞。➤compromise, endanger, jeopardize, threaten, undermine危及安全；威脅安全；破壞安全◇The leaking of state secrets has compromised national security.國家機密的泄露危及了國家安全。SECURITY + NOUN➤apparatus, forces, services安全機構；安全部隊▸➤adviser, expert, guard, man, officer, official, personnel, staff安全顧問；安全專家；保安；安全官員；保安人員◇a former national security adviser to President Clinton克林頓總統的前國家安全顧問➤arrangements, matters, measures, policy, system安全安排／事務／措施／政策／體系➤issue, situation安全問題／形勢➤concerns, interests安全隱患／利益◇our national security interests我們國家的安全利益➤risk, threat危險分子；安全威脅➤breach違反安全規定▸➤check安全檢查➤checkpoint安全檢查站◇Soldiers stand at security checkpoints.士兵守衞在安全檢查站。➤clearance安全審查許可◇He lost his security clearance because he failed a lie-detector test.他未能通過測謊，因此沒有通過安全審查。➤camera, device, van, video監控攝像頭；安保設施；警車；監控錄像PREPOSITION➤security against防備⋯的安全措施◇The bars are to provide security against break-ins.這些鐵條是為了防止盜賊進入。PHRASES➤for security reasons出於安全原因◇For security reasons, passengers are requested not to leave any baggage unattended.為安全起見，請旅客們注意照看好自己的行李。➤a high level of security高級別安全措施➤peace and security和平與安全➤a threat to security安全威脅
security

noun³

 3 (especially BrE) when you borrow money借錢VERB + SECURITY | PREPOSITION VERB + SECURITY➤put up (sth as)抵押（⋯）➤use sth as用⋯作抵押▸➤hold (sth as), take (sth as)接受（⋯作為）抵押PREPOSITION➤against the security of以⋯為抵押◇The bank will make a loan against the security of the lender's house.銀行將會憑藉款人的住房抵押提供貸款。➤as security作為抵押◇She pledged her necklace as security for a loan.她用項鏈作抵押申請貸款。➤security for⋯的抵押
security

noun⁴

 4securities financial documents證券ADJECTIVE | VERB + SECURITIES | SECURITIES + NOUN ADJECTIVE➤agency, company, corporate, government, Treasury (especially NAmE) 機構證券；公司證券；政府證券；國庫券◇foreign ownership of US government securities美國政府證券的外國持有者➤foreign (especially NAmE) 外國證券▸➤gilt-edged, high-yield, top-rated金邊／高收益／最高信用評級的證券➤long-term, short-term長期／短期證券VERB + SECURITIES➤issue發行證券▸➤buy, purchase購買證券▸➤sell出售證券➤trade交易證券SECURITIES + NOUN➤company, firm證券公司◇Wall Street securities firms華爾街證券公司➤market證券市場◇the faltering securities market衰落的證券市場➤broker, lawyer證券經紀人／律師◇a securities lawyer with Tinson and Zelkins天信公司的證券律師
TOEFL BNC: 632 COCA: 661
security noun
⇨ security (airport security) ⇨ safety (job security) security

noun

security ♦︎ protection ♦︎ defence ♦︎ coverThese are all words for a situation where sb/sth is protected by sb/sth. 这些词均表示保护、防御、掩护。PATTERNS AND COLLOCATIONS 句型和搭配◆protection / defence from / of / against sth◆adequate security / protection / defence◆effective protection / defence◆to provide security / protection / defence / cover■ security sɪˈkjʊərəti; NAmE səˈkjʊrəti [uncountable] the activities involved in protecting a country, building or person against attack or danger 保护措施；安全工作◆The incident has provoked calls to tighten airport security.该事件引发了加强机场安全措施的呼声。◆The government claimed that the organization posed a threat to national security (= the defence of a country).政府声称该组织对国家安全构成了威胁。◆The visit took place amidst tight security (= the use of many police officers).访问是在戒备森严的情况下进行的。◆The demonstrations were brutally broken up by the security forces (= the police, army, etc.).游行示威遭到安保部队的粗暴制止。◆Investigations are continuing into a security alert in the city yesterday.对昨天在该市发出安全警报一事的调查仍在进行中。  see also secure ⇨ protect ■ protection [uncountable] (rather formal) the act of protecting sb/sth against injury, damage, attack, danger or being used in the wrong way; the state of being protected in this way 保护；防卫◆Remember to bring clothes that provide adequate protection against the wind and rain.记着带上足以遮风挡雨的衣服。◆He asked to be put under police protection.他请求警方保护。◆She acknowledged that much work needs to be done to improve data protection laws.她承认在完善数据保护法规方面还有许多工作要做。  see also protect ⇨ protect , protective ⇨ protective ■ defence (BrE) (NAmE defense) [uncountable] the act of protecting sb/sth against attack or criticism 防御；保护；保卫◆He paid tribute to all those who had died in defence of their country.他高度赞扬了所有为保卫祖国而献身的人。◆What points can be raised in defence of this argument?能提出什么论点来为这种说法辩护呢？◆When her brother was criticized she leapt to his defence.她的弟弟受到批评时，她马上跳出来袒护他。◆He has shown courage in coming to the defence of the embattled president.在保护处境艰难的总统时，他表现得十分勇敢。ⓘ Self-defence is the act of doing or saying sth to protect yourself when you are being attacked or criticized. * self-defence指在遭到攻击或批评时以行动或言辞来保护自己的行为◆The man later told police that he was acting in self-defence.后来那人对警察说他当时是在自卫。   see also defend ⇨ explain 2 ■ cover [uncountable] support and protection that is provided when sb is attacking or in danger of being attacked 掩护；防护◆The ships needed air cover (= protection by military planes) once they reached enemy waters.这些船只一旦进入敌方水域就需要空中掩护。

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