življenja

In a sentence

• Včasih življenja niso preprosta.

  Sometimes lives are not simple.

  Here, 'življenja' is used in its plural form to refer to 'lives' as a concept or existence.

• Za izboljšanje kakovosti življenja je pomembno skrbeti za zdravje.

  Improving the quality of life is important for maintaining health.

  In this sentence, 'življenja' is in the genitive case, suggesting it belongs to or defines 'quality' (kakovosti).

• Dal mi je lekcijo za vse življenje.

  He gave me a lesson for a lifetime.

  Here, 'življenje' (singular) is in its accusative form, used to describe the extent or duration.