先来比较Frightened和afraid 对因其长时期恐惧的某事物感到害怕,afraid of更常用一点,但也可以用frightened of. eg. I'm afraid of snakes. 如果单看frightened和afraid, frightened可以做定语,即有修饰中心词的作用,如a frightened kid,另外afraid比frightened程度要轻一些. scare强调一种比较突然的恐惧感,a sudden feeling of fear.但是语气强度和afraid差不多,都不算太强.