防止蔓延 (fángzhǐ mànyán - prevent spread)
Grammar & Usage
How it works
This is a verb-verb compound phrase. '防止' (fángzhǐ) means 'to prevent' or 'to guard against', and '蔓延' (mànyán) means 'to spread', 'to sprawl', or 'to extend'. Together, they form a common phrase meaning to stop or hinder the uncontrolled expansion of something, often undesirable, like a disease, fire, or problem.
Sample sentences
政府采取了严厉措施，以防止疫情蔓延。
The government adopted strict measures to prevent the epidemic from spreading.
必须迅速行动，防止火势蔓延到邻近区域。
Action must be taken quickly to prevent the fire from spreading to adjacent areas.
我们应该加强合作，共同防止网络谣言的蔓延。
We should strengthen cooperation to jointly prevent the spread of online rumors.
Quick facts
Mnemonic
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Example
政府采取了严厉措施，以防止疫情蔓延。
The government adopted strict measures to prevent the epidemic from spreading.
必须迅速行动，防止火势蔓延到邻近区域。
Action must be taken quickly to prevent the fire from spreading to adjacent areas.
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