strahovati

1. (+ od, da) to fear; to be afraid
   Stručnjaci strahuju da će cene opet porasti. — Experts fear that prices will rise again.
   Mnogi strahuju od novog talasa gripa. — Many fear a new wave of flu.
2. (+ za + acc.) to fear for; to worry about
   Majka strahuje za sina koji je na putu. — The mother fears for her son, who is travelling.

Mostly found in news and writing; in conversation people usually say bojati se or plašiti se.