If something is terrifying, it makes you very frightened.
例句
I still find it terrifying to find myself surrounded by large numbers of horses...我仍旧觉得被一大群马包围很可怕。Rabies has been described as one of the most terrifying diseases known to man.狂犬病被称为人类已知的最可怕的疾病之一。
英汉词典释义
adj.
极大的, 可怕的
A terrifying scream in the blackness of the night made my blood run cold.黑夜里一声可怕的尖叫让我毛骨悚然。The most terrifying aspect of nuclear bombing is radiation.核轰炸最可怕的方面是核辐射。This movie is by turn (= alternately) terrifying and very funny.这部电影一会儿令人毛骨悚然,一会儿滑稽可笑。You might think that jumping out of a plane is easy, but when you do it for real, it’s terrifying.你可能会认为从飞机上跳下来很容易,但是真跳时还是挺吓人的。