铜墙铁壁 tóng qiáng tiě bì impregnable fortress

Explanation

比喻防御非常坚固，难以攻破。也比喻团结一致，坚不可摧。

It is a metaphor for a very strong defense that is difficult to break through. It can also symbolize unity and invincibility.

Origin Story

话说古代有一座城池，名叫铁壁城，城墙是用特制的钢铁铸造而成，坚固无比，堪称铜墙铁壁。城内军民团结一心，共同守护家园。无数强敌来犯，都未能攻破铁壁城，最终都败下阵来。铁壁城的故事流传至今，成为了团结一心，坚不可摧的象征。

huàshuō gǔdài yǒu yī zuò chéngchí, míng jiào tiě bì chéng, chéng qiáng shì yòng tèzhì de gāngtiě zhùzào ér chéng, jiāngu wú bǐ, kān chēng tóng qiáng tiě bì. chéng nèi jūnmín tuánjié yīxīn, gòngtóng shǒuhù jiāyuán. wúshù qiángdí láifàn, dōu wèi néng gōngpò tiě bì chéng, zuìzhōng dōu bài xià zhèn lái. tiě bì chéng de gùshì liúchuán zhì jīn, chéngwéi le tuánjié yīxīn, jiānkě cuī de xiàngzhēng.

It is said that in ancient times, there was a city called Iron Wall City, whose city walls were made of specially made steel, extremely strong, and considered an impregnable fortress.The people in the city were united as one, guarding their homes together. Countless powerful enemies attacked, but none could break through Iron Wall City, and all were eventually defeated.The story of Iron Wall City has been passed down to this day and is a symbol of unity and invincibility.

Usage

形容防御工事非常坚固，或比喻团结一致，不可战胜。

xióngróng fángyù gōngchéng fēicháng jiāngu, huò bǐyù tuánjié yīzhì, bùkě zhànshèng.

Describes a very strong defense or symbolizes unity and invincibility.

Examples

• 面对强大的敌人，他们依然坚守阵地，表现出铜墙铁壁般的防御能力。

  miànduì qiángdà de dírén, tāmen yīrán jiānshǒu zhèndì, biǎoxiàn chū tóng qiáng tiě bì bàn de fángyù nénglì.

  Faced with a powerful enemy, they still held their ground, showing a defensive ability like an impregnable fortress.

• 团结就是力量，众志成城，就能成为铜墙铁壁，抵御一切困难。

  tuánjié jiùshì lìliàng, zhòngzhì chéngchéng, jiù néng chéngwéi tóng qiáng tiě bì, dǐyù yīqiē kùnnan.

  Unity is strength, united efforts can form an impregnable defense that withstands all difficulties.

Related Idioms

• 坚不可摧

• 固若金汤

Opposite Idioms

• 不堪一击

• 脆弱不堪