入侵

• Pinyin: rù qīn
• Hanzi breakdown: 入 = entry; 侵 = 亻(person) + 帚 (broom) + 又 (hand) — a person sweeping into another's territory, hence to encroach or invade

Meaning

To invade; to intrude; to encroach upon. Describes uninvited, hostile, or illegal entry into another's territory, system, or domain.

Used in military contexts (armed invasion), cybersecurity (network intrusion), ecology (invasive species: 入侵物种), and legal contexts (trespass). Key compounds: 网络入侵 (cyber intrusion), 外来入侵物种 (alien invasive species), 入侵者 (invader/intruder). Carries a strong sense of hostility and illegitimacy.

Examples

1. 历史上，该城市曾多次遭受外敌的武装入侵，留下了大量珍贵却饱含沧桑的历史遗迹。 Historically, the city suffered repeated armed invasions by foreign enemies, leaving behind many precious yet timeworn historical ruins.
2. 公司信息安全部门检测到一起严重的网络入侵事件，立即启动了应急预案，封锁了相关系统接口。 The company’s information security team detected a serious cyber intrusion and immediately activated its emergency plan, locking down the relevant system interfaces.
3. 这种原产于南美洲的植物作为入侵物种在本地生态系统中迅速蔓延，严重威胁着本土动植物的生存空间。 This plant, native to South America, has rapidly spread as an invasive species in the local ecosystem, severely threatening the habitat of native plants and animals.

Usage Guide

Context: military, cybersecurity, ecology, legal

Tone: serious

Do Say

• 黑客利用系统漏洞成功入侵了该公司的核心数据库，导致数百万用户的个人信息遭到严重泄露。(Hackers exploited a system vulnerability to successfully breach the company's core database, resulting in the serious leakage of personal information belonging to millions of users.)
• 国际法明确禁止任何国家以武力手段入侵他国领土，违反者将受到国际社会的制裁与谴责。(International law explicitly prohibits any nation from invading another's territory by force, and violators will face sanctions and condemnation from the international community.)

Don't Say

• 他入侵了我的房间 — 入侵 implies hostile or illegal intent at scale; for entering someone's room without permission, use 闯入; 入侵 is best reserved for military, cyber, or ecological contexts

Origin & History

入 (to enter) + 侵 (to encroach/invade — 亻person + 帚 broom + 又 hand = sweeping into another's territory) — hostile entry into another's domain

Cultural Context

Generation: All ages

Social background: Universal