impregnable

英 [ɪmˈpreɡnəbl]

美 [ɪmˈpreɡnəbl]

adj. 坚不可摧的; 牢不可破的; 不可战胜的; 难以改变的

BNC.19132 / COCA.25486

牛津词典

adj.

坚不可摧的；牢不可破的
an impregnable building is so strongly built that it cannot be entered by force
1. an impregnable fortress
  坚不可摧的要塞
不可战胜的；难以改变的
strong and impossible to defeat or change
1. The team built up an impregnable 5-1 lead.
  这个队以5:1的绝对优势领先。

ADJ 牢不可破的;固若金汤的;无法攻取的
If you describe a building or other place asimpregnable, you mean that it cannot be broken into or captured.
1. The old Dutch fort with its thick high walls looks virtually impregnable...
  古老的荷兰城堡城墙又厚又高,看起来几乎固若金汤。
2. In those impregnable mountains, the guerrillas could hold out for years.
  在那些易守难攻的大山里，游击队可以坚持很多年。
ADJ 不可战胜的;不可撼动的
If you say that a person or group isimpregnable, or their position isimpregnable, you think they cannot be defeated by anyone.
1. The Bundesbank's seemingly impregnable position has begun to weaken.
  德意志联邦银行看似不可撼动的地位开始削弱了。

adj

incapable of being overcome, challenged or refuted
1. an impregnable argument
2. impregnable self-confidence
Synonym:inexpugnable
capable of conceiving
Synonym:conceptive
immune to attack
1. an impregnable fortress
2. fortifications that made the frontier inviolable
3. a secure telephone connection
Synonym:inviolablesecurestrongunassailableunattackable

So he shut himself up in his castle, whose impregnable strength was such as defied a seige.
所以他把自己关在他的城堡里，那城堡盖得牢不可破，经得起围攻。
This is an impregnable fortress.
这个堡垒是攻不破的。
They will establish impregnable fortresses to defend themselves.
他们将建造坚不可摧的堡垒来保卫自己。
For Mr Brown, it is Mervyn King, whom he has reappointed to an equally impregnable position.
给布朗添乱的则是默文金（mervynking），他受布朗二度任命，地位与贝克特一样稳固。
Some Republicans privately concede Mr Obama's position may be impregnable.
一些共和党人私下承认，奥巴马的地位可能固若金汤。
An impregnable security truck, wired with explosives.
绑着炸药的坚不可摧的安全运货车。
You can fit your house with burglar alarms and double locks but your home will never be impregnable against determined thieves.
你可给你的房子安装防盗警报器和双重锁，但你的家对下决心要偷的人来说永远也不会是牢不可破的。
In those impregnable mountains, the guerrillas could hold out for years.
在那些易守难攻的大山里，游击队可以坚持很多年。
Their impregnable arguments are hard to rebut.
他们牢不可破的论点很难被驳倒。
The Bundesbank's seemingly impregnable position has begun to weaken.
德意志联邦银行看似不可撼动的地位开始削弱了。