security

security — 名詞

1. ways of keeping people, buildings, or countries safe from crime, attacks, or oth

1.名詞B1
釋義

安全；保全

保護人或物免受犯罪威脅的措施

ways of keeping people, buildings, or countries safe from crime, attacks, or other threats.

例句

The airport tightened security after a suspicious bag was left near the check-in desks.

機場在報到櫃檯附近發現可疑行李後，加強了安全措施。

tightened security — increased protective measures after an incident

Our apartment building has round-the-clock security with cameras in the lobby and hallways.

我們的大樓有全天候的保全系統，大廳和走廊都裝了監視器。

round-the-clock security — continuous protection

同義詞
  • safety

    focuses on the state of being free from harm; security emphasises the measures taken to achieve that state

  • protection

    broader term covering any act of keeping someone safe; security often implies organised systems

  • defence

    implies active resistance against a threat, whereas security is more about prevention

反義詞
  • danger

    the state of being exposed to harm or risk

  • threat

    an indication of something harmful about to happen

文法句型

security + against/threats

national/personal/home/airport security

用法筆記

Commonly appears in compound nouns such as security guard, security camera, security system, and security check. Uncountable — do not use with an indefinite article.

常見錯誤

❌I work in security guard.
✅I work as a security guard.
💡'Security guard' is a job title; use 'as a' after a verb like 'work.'

2. the people whose job is to guard a building, event, or area and make sure nobody

2.名詞B1
釋義

保全；警衛

負責保護建物或活動的工作人員

the people whose job is to guard a building, event, or area and make sure nobody enters without permission.

例句

The security guards at the front desk asked Christopher to show his ID card.

前台的保全人員請克里斯多福出示他的證件。

security guard — common compound noun for a person in this role

Felix called building security when he noticed a stranger near the basement door.

費利克斯在地下室門邊發現一個陌生人，於是打電話給大樓保全。

同義詞
  • guards

    more specific — refers to individual people rather than the team as a whole

  • security personnel

    more formal register, often used in official notices or reports

文法句型

security + singular verb

building/event/venue security

用法筆記

When referring to the people rather than the concept, this sense behaves as a collective noun and takes a singular verb. Example: 'Security is checking all bags.'

常見錯誤

❌The security are checking bags.
✅The security is checking bags.
💡When security means 'the staff,' use a singular verb as with other collective nouns.

3. the condition of having a steady income or job that is not at risk, so you can p

3.名詞B2
釋義

保障；穩定

工作或財務穩固、不易失去

the condition of having a steady income or job that is not at risk, so you can plan for the future without worry.

例句

After ten years with the same company, Soraya finally felt some job security.

在同一家公司待了十年之後，索拉雅終於感受到一些工作保障。

collocation: job security

Many people choose jobs in public service because they offer greater financial security.

許多人選擇公共服務的工作，因為這類工作提供較好的財務保障。

collocation: financial security

同義詞
  • stability

    focuses on the state of being steady and not changing; security adds a sense of protection against loss

  • certainty

    emphasises the absence of doubt; security is more about freedom from worry about the future

反義詞
  • insecurity

    the state of not being sure about keeping your job or income

  • instability

    a situation that is likely to change or fail

文法句型

job/employment/financial security

sense of security

security of + noun phrase

用法筆記

Commonly occurs in the fixed phrases 'job security' and 'financial security.' Uncountable — do not precede with 'a' or 'an.'

常見錯誤

❌I have a job security at my current company.
✅I have job security at my current company.
💡'Job security' is uncountable and does not take an article.

4. property that a borrower leaves with a lender until a debt is fully paid, and wh

4.名詞B2
釋義

抵押品；擔保

借款時作為保證的財產

property that a borrower leaves with a lender until a debt is fully paid, and which the lender may keep if the borrower fails to pay.

例句

The bank asked Nikhil to use his house as security for the business loan.

銀行要求尼基爾用他的房子作為商業貸款的抵押品。

pattern: use [asset] as security for [loan]

If you cannot repay the loan, the lender can take the security you offered.

如果你無法償還貸款，貸款機構可以沒收你提供的抵押品。

同義詞
  • collateral

    the standard technical term in banking for property pledged against a loan

  • guarantee

    broader term that can also refer to a promise rather than physical property

文法句型

use [asset] as security for [loan]

provide/offer security

as security

用法筆記

Common in legal and banking contexts. The phrase 'as security for [a loan]' is a standard construction. The borrower is the one who 'provides' or 'offers' security.

常見錯誤

❌The bank asked for my house as a security.
✅The bank asked for my house as security.
💡In this sense, 'security' is uncountable; do not use 'a.'

5. tradable financial assets, such as shares in companies or bonds issued by govern

5.名詞C1
釋義

證券

可在市場買賣的股票與債券

tradable financial assets, such as shares in companies or bonds issued by governments, that investors buy to earn income.

例句

The investment firm advised clients to put their money into government securities.

那家投資公司建議客戶把資金投入政府證券。

common collocation: government securities

Apinya bought a mix of securities, including company shares and government bonds.

阿萍雅購買了多種證券，包括公司股票和政府債券。

同義詞
  • stocks

    refers specifically to shares in companies, not bonds or other instruments

  • bonds

    a specific type of security that represents debt rather than ownership

  • financial instruments

    a broader formal term that includes derivatives and other complex products

文法句型

government/corporate securities

trade in securities

securities market

用法筆記

In financial contexts, this sense almost always appears in the plural form 'securities.' Common types include government securities, corporate securities, and mortgage-backed securities.

常見錯誤

❌I bought some security from the stock market.
✅I bought some securities from the stock market.
💡When referring to stocks and bonds, use the plural form 'securities.'

6. knowing that you are safe, accepted, and cared for by your family or the people

6.名詞B2
釋義

安全感

在關係或家庭中感到安心被接納

knowing that you are safe, accepted, and cared for by your family or the people close to you.

例句

Children need emotional security to grow up feeling confident and happy.

孩子需要情感上的安全感，才能自信快樂地成長。

A loving home gives most people a sense of security they carry through life.

充滿愛的家庭讓大多數人擁有一種終身受用的安全感。

phrase: a sense of security

同義詞
  • reassurance

    the act of being made to feel less worried; security is a more stable, ongoing state

  • comfort

    a broader term for physical or emotional ease; security adds a sense of safety from harm

反義詞
  • insecurity

    the feeling of not being good enough or not being loved or accepted

  • anxiety

    a feeling of worry or unease, often about relationships or acceptance

文法句型

emotional security

sense of security

security in [relationship/family]

用法筆記

Often occurs in the phrase 'sense of security' in psychological or relational contexts. Distinguished from sense 3 (financial) by its focus on relationships and emotional well-being rather than money or employment.

常見錯誤

❌I need more security with my boyfriend.' (vague)
✅I need more emotional security in my relationship.
💡Be specific about the type of security to avoid confusion with financial or physical meanings.