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封控
fēngkòng
lockdown
政府宣布实施封控措施以控制疫情传播。
The government announced lockdown measures to control the spread of the epidemic.
Medicine
technical
A strict quarantine or lockdown measure implemented by authorities to control the spread of infectious diseases, typically involving restricted movement and closed-off areas.
封控期间，居民只能在指定时间外出购买生活必需品。
During the lockdown, residents could only go out at designated times to buy necessities.
Commonly used in the context of public health emergencies, especially during COVID-19 pandemic responses.
formal
A general term for any controlled restriction of movement or access to a specific area, often used in security or disaster management contexts.
由于安全威胁，该地区进入封控状态。
Due to security threats, the area entered a lockdown state.
Less common outside of public health or emergency management contexts.
Related Phrases
Pro Tip
Context Matters
封控 is specific to controlled restrictions, not general quarantine. Use 封锁 for broader security-related blockades.
Gold Rule
Formal Usage
Only use 封控 when referring to official government-implemented restrictions, not personal or informal isolation.
Word Origin
Combination of 封 (fēng, meaning 'to seal' or 'to lock') and 控 (kòng, meaning 'to control'). The term gained widespread usage during the COVID-19 pandemic in China.
Usage Notes
Primarily used in formal and technical contexts, especially in government announcements and public health communications. Avoid using in casual conversation unless referring to official measures.
Word Breakdown
封
to seal or lock
root控
to control
root汉英词典