asustar a alguien frighten someone (fear); give someone a fright (fear); scare someone (fear)
estar terriblemente asustado be scared silly (fear); have a terrible fright (fear); be scared out of one's wits (fear); be scared stiff (fear); be scared to death (fear)
estar totalmente asustado be scared silly (fear); have a terrible fright (fear); be scared stiff (fear); be scared out of one's wits (fear); be scared to death (fear)