📖 Meaning
A metaphor for something extremely solid and indestructible. It draws on the imagery of silver mountains and iron walls to emphasize impregnability and unyielding strength. The phrase is used to describe defenses, resolve, or structures that cannot be broken.
📜 Origin Story
This idiom combines the imagery of silver mountains and iron walls to convey indestructibility. It draws on traditional Chinese literary conventions of using precious metals and fortifications as metaphors for strength and impenetrability. No single classical source is definitively credited as its origin; rather, it evolved from similar expressions found in historical and military texts describing impregnable defenses. The imagery reflects the ancient Chinese admiration for metallurgical strength in warfare.
💡 Example Usage
这座要塞宛如银山铁壁，任凭敌军猛攻也无法攻破。
This fortress was like a mountain of silver and a wall of iron; no matter how fiercely the enemy attacked, it could not be breached.
🏷️ Category
➕ Similar Idioms
➖ Opposite Idioms
🔤 Quick Facts
- Chinese: 银山铁壁
- Pinyin: yín shān tiě bì
- Literal Translation: silver, mountain, iron, wall
- Category: Quality
- Characters: 4