impenetrable

英 [ɪmˈpenɪtrəbl]

美 [ɪmˈpenɪtrəbl]

adj. 不可进入的; 穿不过的; 无法透视的; 不可理解的; 高深莫测的

Collins.1 / BNC.13989 / COCA.13690

牛津词典

adj.

ADJ-GRADED 不能穿过的;刺不进的;透不过的
If you describe something such as a barrier or a forest asimpenetrable, you mean that it is impossible or very difficult to get through.
1. ...the Caucasus range, an almost impenetrable barrier between Europe and Asia.
  高加索山脉,几乎难以穿越的欧亚屏障
ADJ-GRADED 费解的;难以理解的
If you describe something such as a book or a theory asimpenetrable, you are emphasizing that it is impossible or very difficult to understand.
1. His books are notoriously impenetrable.
  他的书出了名的晦涩难懂。
2. ...these impenetrable poems.
  这些隐晦难懂的诗

adj

impossible to understand
1. impenetrable jargon
not admitting of penetration or passage into or through
1. an impenetrable fortress
2. impenetrable rain forests
permitting little if any light to pass through because of denseness of matter
1. dense smoke
2. heavy fog
3. impenetrable gloom
Synonym:denseheavy

The fortifications of the castle were massive and impenetrable.
那座城堡的防御工事厚实牢固，坚不可摧。
And the ice queen was surrounded by an impenetrable force field.
冰山皇后被不可渗透的力量包围着。
You look at a star for two reasons, because it is luminous, and because it is impenetrable.
你望一颗星，有两个动机，因为它是发光的，又因为它是望不透的。
You gave me every assurance that the Bank of England was impenetrable!
你口口声声向我保证英格兰银行疏而不漏！
Armor plate is impenetrable by ordinary bullets.
装甲板普通子弹打不穿。
The law seems even more mysterious and impenetrable.
这条法则似乎更加神秘莫测、深奥费解。
It is impossible for an impenetrable shield to coexist with a spear that finds nothing impenetrable.
固若金汤的盾和无坚不摧的矛是不可能共存的。
I find his style somewhat impenetrable.
我发现他的行为方式令人颇为费解。
Right, she is really impenetrable.
是，她真是不可理喻。
The thick slabs of alloy they used for shields were impenetrable to any weapon they had.
它们用来防护的厚厚的合金板是他们任何武器都很难穿透的。