prebrzo

1. too fast; too quickly
   Voziš prebrzo, uspori malo! — You're driving too fast, slow down a bit!
   Ona priča prebrzo, ništa ne razumem. — She talks too fast, I don't understand anything.
   Leto je prošlo prebrzo. — Summer went by too fast.
2. (of decisions, actions) too hastily
   Nemoj prebrzo da odlučuješ. — Don't decide too hastily.