посторонними

Said in one Russian podcast line.

• Но какие-то вот мимолетные звуки, они становятся для него как бы посторонними.

  But some fleeting sounds become, as it were, foreign to him.

  

  Психология и гипнотерапияНа кого не действует гипноз

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Russian books and courses on Amazon (affiliate link).