Translation of "vicious" into Slovenian

So they're currently in alien terrain surrounded by millions of the most vicious creatures on the planet.

Kowalski, trenutno so na tujem ozemlju, obkroženi z milijoni najkrutejših stvorov na zemlji.

This was a particularly vicious attack which was entirely unprovoked.

Ta surov napad se je zgodil brez vsake provokacije.

This vicious young hoodlum will be transformed out of all recognition.

Tega okrutnega mladega razbojnika, ne boste mogli prepoznati.