prestrášiti to frighten; to scare, to alarm, to give (someone) a fright; to startle; to dismay, to appal
kako si me prestrašil! what a fright you gave me!
pošteno ste me prestrašili you gave me a real scare
na smrt prestrášiti to scare someone to death
prestrášiti se to take fright; to get frightened (ali alarmed), to be startled