frightened:adj. 害怕的受惊的受恐吓的
v. 害怕使吃惊吓走（frighten的过去分词）
She was trying to look reassuring ， but you could see that she was frightened .
母亲正竭力让自己看上去若无其事，但你仍可以看出来她内心的惊恐。
frightening:
adj. 令人恐惧的，突然惊恐的I don't want to recall that frighteningexperience anymore.
我再也不愿意回想那次的可怕经历了。
The appearance of this animal is very frightening.
这种动物的外观非常吓人。
This frightening movie is loved by young people.
这部令人恐惧的电影受到了年轻人的喜爱。
It was a very frightening experience and they were very courageous.
那段经历太恐怖了 他们表现得非常勇敢。
It was frightening to walk home alone at night.
晚上独自走回家很吓人。
