An impregnable castle in the center of Europe.

成为了欧洲中坚不可摧的城。

The heights of Kennesaw were impregnable.

肯尼萨山的高是坚不可摧的。

The sheer cliffs on three sides and the steep summit made the citadel virtually impregnable.

三面陡峭悬崖外加高耸的山顶让这座垒坚不可摧。

It's a stunning example of architectural engineering at altitude, and completely impregnable.

一座非常优秀的高工事可谓坚不可摧。

There were no security guards present because they trusted the false technological defenses were impregnable.

没有保安在场，因为他们相信虚假的技术防御坚不可摧。

The tippler brought his speech to an end, and shut himself up in an impregnable silence.

酒鬼说完以后就无论如何都不再开口了。

" If Storm's End is so impregnable, how do you mean to take it" ? asked Malo.

" 风息难攻不破，你又怎生奈何它？" 莫罗问。

Fort Knox was built to be an impregnable fortress.

诺克斯被建造成一座坚不可摧的垒。

The bullion depository at Fort Knox was built to be an " impregnable fortress."

诺克斯的金银存放处被建造成一座“坚不可摧的垒” 。

" Ashamed of drinking! " The tippler brought his speech to an end, and shut himself up in an impregnable silence.

“我羞愧我喝酒。”酒鬼说完以后就再也不开口了。

One of the secrets of its longevity  was its seemingly impregnable walls.

它长盛不衰的秘诀之一是它看似坚不可摧的城墙。

How do we open up these gates that look pretty impregnable and impossible to open?

我们如何打开这些看起来坚不可摧且无法打开的大门？

I saw that his position on the old parchment was impregnable.

我看到他在旧羊皮纸上的位是坚不可摧的。

But Miss Taylor had an impregnable mind that she was innocent.

但泰勒小姐有着坚定不移的信念，即她是无罪的。

Furthermore: concerning these last mentioned Leviathans, they have two firm fortresses, which, in all human probability, will for ever remain impregnable.

而且，关于这些最近提到的大鲸，它们有两个坚固的垒，就是尽人类之所能，也将永远牢不可破。

There still reverberated in her mind the crashes of the two impregnable citadels of her life, thundering to dust about her ears.

她生活中两个坚不可破的垒崩溃的声音仍在她中回响，好像在她耳旁轰隆一声坍塌了。

Catelyn wanted to slap her. Uncle Brynden had tried to warn her, she realized. " No castle is impregnable. "

凯特琳有种想甩她耳光的冲动。布林登叔叔试图警告她，她这才明白因何在。" 世上没有攻不破的城。"

Pliny the Elder praised an imposing sea wall made from the stuff as “impregnable to the waves and every day stronger.”

老普林尼 (Pliny the Elder) 称赞由这种材料制成的雄伟海堤“坚不可摧，而且一天比一天坚固” 。

" Harry - we've just got to grit our teeth and do it, " said Ron on Friday morning, in a tone that suggested they were planning the storming of an impregnable fortress.

“哈利——我们必须咬着牙豁出去了。”星期五的时候，罗恩说道，听他的口气就好像他们正在计划攻破一座固若金汤的要塞。

What human power could restore me to the light of the sun by rending asunder the huge arches of rock which united over my head, buttressing each other with impregnable strength?

什么样的人类力量才能将我头顶上的巨大岩石拱门撕碎， 让我重见阳光？这些岩石拱门以坚不可摧的力量相互支撑？