单词impenetrable
adj.: 不可进入的；穿不过的；无法透视的；不可理解的
网络: 不能穿透的；费解的；难以渗透的
不可进入的；穿不过的；无法透视的:
that cannot be entered, passed through or seen through
不可理解的；高深莫测的:
impossible to understand
进不去的;难贯穿的;【物理学】不可入性的
防…的
坚硬的
不动心的,不接受的,顽固的
无济于事;动摇不了
诡秘的;不可逾越的
穿不透的,穿不过的,不可入的;密不透风的
难懂,令人难解的;不可捉摸的,高深莫测的;不容探知的;难以看透的
不能透过的
看不透的,不可测知的,费解的
adj.impassabledensethicksolidimpermeable
adj.understandableclear
Her anguish grew from her concentration as she saw herself sunken in that thick impenetrable fog: could she be in limbo ?
当她集中精神注视自己、发现自己正沉没在难以渗透的厚雾中时，她的痛苦增长了：她可能是在地狱的边缘吗？
For, I wanted her to have almost an impenetrable steel-like quality, to her.
因为，我想她几乎完全拥有像钢铁一样难以穿透的质量，对她而言。
Do not know will not be a generation Ouyang Feng-errant, impenetrable .
也不知道将来会不会出一代欧阳风式的大侠，百毒不侵。
"The Sphinx has thus emerged into the landscape out of shadows of what seemed to be an impenetrable oblivion, " the New York Times declared.
“斯芬克斯从此从看似不可摧毁的遗忘阴影中解脱，成为了一处景观。”当时的《纽约时报》如此宣称。
It must be said, though, that the meaning of some of his speeches was often quite impenetrable to his ordinary listeners.
但是，需要指出的是，他的一些讲话的意思对普通的听众来说通常是不能理解的。
Well, the company announced last week that it had implemented new security measures, which made their systems impenetrable.
其实，这家公司上星期就宣布已经实施了新的安保策略，保证系统无坚不摧。
With a little practice, writing can be an intimidating and impenetrable fog! Want to see my book report?
经过一点练习，写作可以是一个威吓并且不可洞视的迷雾。想看看我的读书报告吗？
So much about North Korea remains impenetrable that it would be folly to claim I"ve gotten everything right.
北朝鲜在很多方面，迄今为止，外界依然不得而知。因此，我也不能保证我所听到的都是事实真相。
it was long shrouded in mystery, called " the Dark continent" by Europeans in awe of its massive size and impenetrable depths.
它长期被神秘所笼罩，因其辽阔的幅员和难以穿越的纵深而为欧洲人所敬畏。被称为“黑大陆”。
These ashigaru are armed with long spears for use in close combat or to make an almost-impenetrable defence against cavalry.
这些足轻配备了超长矛，既可用于近战，也可用来组成一道几乎无法逾越的枪墙以抵抗骑兵。