1、frightened意思是受到惊吓，感到害怕，强调主观感受，主语一般是人。例如:I was frightened近似的还有fr足毂忍珩ightening，但是frightening一般是指某件事，例如：The number of youngsters involved in crime is frightening.年轻人犯罪的人数多得吓人。百度翻译如下图所示
2、frightened可以使用be frightened at ，表示对什么感到吃惊和害怕，更倾向于即时的情境。例如：I was frightened at she sound百度翻译如下图所示
3、frightened可以使用be frightened of，表示对什么感到害怕，更倾向于长久的情境。例如：I was frightened of seeing her again百度翻译如下图所示
4、frightened可以使用be too frightened to do something，表示因害怕而不敢去做某事。例如：The boy was too frightened to move百度翻译如下图所示
5、frightened还可以接that从句，表示害怕某事发生。例如：I was frightened that he may have got lost in the mountain百度翻译如下图所示
6、frightened可以使用be frightened for，表示为什么而担心害怕。例如：I'm frightened for him百度翻译如下图所示
7、frightened还可以作为形容词修饰名词，表示受到惊吓的。例如：The frightened child was quieted by his mother百度翻译如下图所示
