1
security against/from sth
表示防范某种威胁时常用 against 或 from。
The system provides security against cyber attacks.
该系统提供免受网络攻击的安全保护。
安全；平安
先理解核心含义，再看它在真实句子里的用法。
安全；平安
the state of being free from danger or threat
The system provides security against cyber attacks.
该系统提供免受网络攻击的安全保护。
The condition of not being threatened, especially physically, psychologically, emotionally, or financially.
安全
the state of being free from danger or injury
Something that secures.
财务保障与独立
defense against financial failure; financial independence
The airport has increased security after the incident.
事件发生后，机场加强了安全措施。
AI contextual example
She worries about the security of her job.
她担心自己工作的稳定性。
AI contextual example
The security guard patrols the building every hour.
保安人员每小时巡视一次大楼。
AI contextual example
we support the armed services in the name of national security
我们以国家安全的名义支持武装部队。
WordNet
表示防范某种威胁时常用 against 或 from。
The system provides security against cyber attacks.
该系统提供免受网络攻击的安全保护。
表示某事物的安全状态。
The security of the data is our top priority.
数据的安全是我们的首要任务。
名词作定语，表示与安全相关的物品或人员。
We installed new security cameras.
我们安装了新的监控摄像头。
Not this
We should improve the safety of the building to prevent theft.
Use this
We should improve the security of the building to prevent theft.
中文的'安全'可以对应'safety'和'security'，但'safety'侧重避免意外事故，'security'侧重防备犯罪、威胁等。此处防范盗窃应使用'security'。
Not this
There are many securities in this area to protect the residents.
Use this
There are many security measures in this area to protect the residents.
当'security'表示'安全'时是不可数名词，不能加-s构成复数。要表达多项安全措施，应使用'security measures'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
国家安全
The government is taking measures to protect national security.
政府正在采取措施保护国家安全。
监控摄像头
A security camera was installed in the parking lot.
停车场上安装了一个监控摄像头。
保安
The security guard checks ID cards at the entrance.
保安在入口处检查身份证。
工作保障
Many workers are concerned about job security during the recession.
经济衰退期间，许多工人担心工作保障。
家庭安全
We installed a new home security system last month.
上个月我们安装了一个新的家庭安全系统。
社会保障
The government reformed the social security system.
政府改革了社会保障体系。
安全毯（指给人安全感的东西）
He keeps his old teddy bear as a security blanket.
他把旧泰迪熊当作安全毯。
安全许可
She had to get security clearance before starting the job.
她必须在开始工作前获得安全许可。
工作保障
Many people are concerned about job security in this economy.
在这种经济环境下，很多人担心工作保障。
安全感大多是一种迷信。它不存在于自然界中，人类作为一个整体也从未体验过它。
Helen Keller argued that security is a superstition that holds people back from living fully.
海伦·凯勒认为安全感是一种迷信，阻碍人们充分生活。
安全不是没有危险，而是有安全保障。
This quote redefines security as an active state of being protected rather than just a lack of threats.
这句话重新定义了安全，将其视为一种被积极保护的状态，而不仅仅是威胁的缺失。
Use security naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将‘security’拆分为‘secu’(细看)和‘rity’(真实)，记作：细看真实方能安全。
register: neutral; settings: general safety, personal security, national security; note_zh: 该含义“安全”通常用于描述免受危险或威胁的状态，适用于日常、法律、政治等多种语境，属于中性正式用语。
Words like 'purity' and 'maturity' share a similar ending sound with 'security', while others like 'authority' and 'majority' have a different vowel sound.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.