razotkrivati

1. to expose; to reveal
   Novinari godinama razotkrivaju korupciju u gradskoj vlasti. — Journalists have been exposing corruption in the city government for years.
   Ovaj film razotkriva tajne šou-biznisa. — This film reveals the secrets of show business.
2. (razotkrivati se) to open up; to reveal oneself
   Ona se polako razotkriva tek kad te bolje upozna. — She only slowly opens up once she gets to know you better.

The perfective counterpart is razotkriti.