音标：[si'kjuriti]
n. 安全, 安全性, 防护物, 保安, 可靠性, 担保人, 抵押品, 保证金
【计】 安全性, 保密性, 安全检查程序
【经】 保证, 保证人, 保证金
在线英汉词典

security的短语、例句：

security n 1 [U] freedom or protection from danger or worry 安全; 保护; 保障
children who lack the security of a good home 缺乏良好家庭照顾的儿童
have the security of a guaranteed pension 有保证可获养老金的保障. 2 [U] measures taken to prevent spying, attacks, theft, etc （防刺探、 攻击、 偷盗等的）安全措施
There was tight security for the Pope´s visit, eg Many police officers guarded him. 为教皇到访采取了严密的保安措施.
We need greater security in car parks. 我们需要加强停车场的安全措施.
national security, ie the defence of a country 国家的防卫
[attrib 作定语] security forces, eg police, troops, etc fighting terrorism 保安部队
a security van, eg for transporting money 保安车（如解送金钱的）
a high security prison, ie for dangerous criminals 戒备森严的监狱. 3 [C, U] jewellery, insurance policies, etc that can be used to guarantee that one will pay back borrowed money or keep a promise 抵押品
lend money on security, ie in return for sth given as security 收取抵押品贷出款项
give sth as (a) security 以某物作抵押. Cf 参看 guarantee1 1. 4 securities [pl] documents or certificates showing who owns stock, bonds, shares, etc 证券
government securities, ie for money lent to a government 政府证券.