严密
Traditional: 嚴密
yán mì HSK 6

English Meaning

📚 Example Sentences

警察设置了严密的封锁线。
Jǐngchá shèzhìle yánmì de fēngsuǒxiàn.
The police set up a tight cordon.
这个计划需要严密的组织。
Zhège jìhuà xūyào yánmì de zǔzhī.
This plan requires close organization.
科学家进行了严密的实验。
Kēxuéjiā jìnxíngle yánmì de shíyàn.
The scientists conducted a tight experiment.
计划很严密。
Jìhuà hěn yánmì.
The plan is very thorough.
防守很严密。
Fángshǒu hěn yánmì.
The defense is very tight.

💡 Memory Tip

Think of 严 (strict) + 密 (dense/close) combining to mean 'strictly dense'—like a tightly woven net with no holes, ensuring nothing escapes oversight. Associate it with 'airtight' reasoning or 'tight' security.

📝 Usage Notes

This word is formal and commonly used in written contexts, such as academic, technical, or official documents. It appears in spoken language in serious discussions, like work or research. Common contexts include scientific experiments, security measures, logical reasoning, and organizational structures.

📖 Grammar Points

严密 is primarily used as an adjective before nouns (e.g., 严密的实验) or as a predicate with 很/非常 (e.g., 这个计划非常严密). It can also be used in fixed phrases like 严密监视 (to monitor closely).

🏯 Cultural Notes

In Chinese culture, 严密 reflects a value on diligence, careful planning, and attention to detail, especially in academic, professional, or security contexts. It implies reliability and trustworthiness.

🔄 Similar Words

严格 (yángé) means 'strict' but focuses on rules or standards being rigorously enforced, often on people. 紧密 (jǐnmì) means 'close' or 'tight,' emphasizing strong connections or density, like in relationships or physical objects. 严密 emphasizes thoroughness and flawlessness in structure or process.

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