Translation of "impenetrable" into Estonian

As you are aware, the Citadel is their most isolated and impenetrable detention facility.

Nagu teate, on Kindlus nende kõige isoleeritum ja läbitungimatu vangla.

She ties it around my neck, and she tells me that it's impenetrable.

Ta sidus selle mulle ümber kaela ja ütles, et see on läbistamatu.

Indeed, there is growing evidence that citizens see the EU as remote, complex and impenetrable.

On üha rohkem tõendeid sellest, et kodanike arvates on EL kauge, keeruline ja mõistetamatu.