infiltrate

1. (ambitransitive)To surreptitiously penetrate, enter or gain access to.

   The spy infiltrated the high-tech company and stole many secrets.

   infiltrieren, unterwandern

   проса́чиватьсяprosáčivatʹsja, просочи́тьсяprosočítʹsja, проника́тьpronikátʹ

2. (transitive)To cause to penetrate in this way.

   The agency infiltrated several spies into the company.

3. (ambitransitive)To pass through something by filtration.

   pass into or through by filtering or permeating

4. (transitive)To cause (a liquid) to pass through something by filtration.

   cause (a liquid) to enter by penetrating the interstices

5. (ambitransitive)To invade or penetrate a tissue or organ.

   High-grade tumors often infiltrate surrounding structures.

   In certain conditions, immune cells may infiltrate into the cerebrospinal fluid.

6. (transitive)To send (soldiers, spies, etc.) through gaps in the enemy line.

   проникать в тыл противникаpronikatʹ v tyl protivnika, проникнуть в тыл противникаproniknutʹ v tyl protivnika

   pass through an enemy line; in a military conflict

7. (intransitive)To move from a vein, remaining in the body.

1. An undercover operative infiltrated the organization.

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2. We cannot let them infiltrate our network.

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3. The secret agent infiltrates the enemy base.

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4. We must not let them infiltrate our network.

   ruМы не должны позволить им проникнуть в нашу сеть.

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5. We cannot allow them to infiltrate our network.

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