trovati

1. to poison
   Fabrika godinama truje reku otpadnim vodama. — The factory has been poisoning the river with waste water for years.
   Pušenjem truješ i sebe i decu. — By smoking you're poisoning yourself and the kids.
2. (trovati se) to poison oneself; to get poisoned
   Ljudi se često truju pečurkama koje sami beru. — People often get poisoned by mushrooms they pick themselves.
3. colloq. (of mood, life) to poison someone's life; to upset; (se) to fret
   Ne truj se zbog njega, ne vredi. — Don't upset yourself over him, he's not worth it.
   Komšija nam truje život već godinu dana. — Our neighbour has been making our life miserable for a year.

The perfective is otrovati; present tense: trujem, truješ.