Translation of "tarnish" into Slovenian

I do find it rather unfair of people to tarnish our image without good cause.

Precej krivično pa se mi zdi, da nekateri omadežujejo naše ime brez utemeljenega razloga.

The whole point of debating is to answer directly and honestly, not to tarnish your opponent's reputation.

Bistvo debate je, da odgovoriš direktno in pošteno, ne pa da umažeš ugled nasprotnika.

Such moves away from democratic principles tarnish the European Union's image as a whole.

Takšni odmiki od demokratičnih načel predstavljajo madež na celotni podobi Evropske unije.