podgryźć

In a sentence

• Musiałem podgryźć tę jabłko, bo nie było krojone.

  I had to nibble on this apple because it wasn't sliced.

  Here, 'podgryźć' is used to refer to biting or nibbling, a physical action on food.

• Rywal próbował podgryźć jego reputację, rozpuszczając plotki.

  The rival tried to undermine his reputation by spreading rumors.

  'Podgryźć' is metaphorically used here to imply actions that undermine or weaken someone's reputation.

• Zauważyłem, że myszy zaczęły podgryzać kable w piwnicy.

  I noticed that mice started nibbling on wires in the basement.

  The word 'podgryźć' is applied to describe physical nibbling or biting by small animals, in this case, to wires.