The motive for the crime was impenetrable.
She raised between them a barrier impenetrable as a wall.
There were more and more people on the streets, and the traffic was impenetrable.
others devise larger and larger rocket bombs, more and more powerful explosives, and more and more impenetrable armour-plating;
For the first time, facing such an impenetrable network of relations, the general, who had been on the frontier, felt helpless.
As we navigate the shoals, the forest of jagged rocks gives us the impression that we are not on the river but following a small path through an impenetrable jungle.
impenetrable to light
a man impenetrable by [to] pity
"An impenetrable shadow. now the sun and moon illumine a gold and silver terrace,"
small evergreen shrub or tree of southeastern United States; often forms almost impenetrable thickets in sandy coastal areas.
Something was wrong with the world, a somber, frightening wrongness that pervaded everything like a dark impenetrable mist, stealthily closing around Scarlett.
impenetrable midnight
Their jargon is impenetrable to an outsider.
He's all button up in an impenetrable little coat of complacency.
Somehow, she found it hard to resist being with such an impenetrable man, so she had some difficulty.
一個巫師救了另外一個巫師的命。他們之間就有了某種聯繫……這是魔法的最高、最無法滲透的境界，哈利。 （*布利多，囚徒，22 又見貓頭鷹郵遞） When one wizard saves another wizard’s life, it creates a certain bond between them ... This is magic at its deepest, its most impenetrable, Harry
I find his style somewhat impenetrable.
Clothe not yourselves in sackcloth, but cover yourselves with your impenetrable bucklers
a tropical tree or shrub bearing fruit that germinates while still on the tree and having numerous prop roots that eventually form an impenetrable mass and are important in land building.
a sheet of steel impenetrable by a bullet
Wail, O cypress, for the cedar has fallen, Because the glorious trees have been destroyed; Wail, O oaks of Bashan, For the impenetrable forest has come down.
She was imperturbable, inscrutable, impenetrable.
The discovery was made by a team of Canadian scientists who used special infrared and three-dimensional technology to peer through hitherto impenetrable paint layers on the work, which now sits in the Louvre museum in Paris.
When it came to drawing joint conclusions, there was a nearly impenetrable opacity about Heath's formulations.
His dapper self-confidence seemed impenetrable to such hints.
To hear those beautiful lines which have frequently almost driven me wild, pronounced with such impenetrable calmness, such dreadful indifference!
form an impenetrable cover over.
an impenetrable mystery
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