没人知道如何治疗这种可怕的疾病。No one knew how to treat this dreaded disease.我觉得蹲监狱对于哈里会是件很可怕的事。I think prison is going to be a scary thing for Harry.他周围的人都在给他灌输可怕的谎言。He was surrounded by people who fed him ghastly lies....

“可怕的”的英语可以翻译为：terrible，horrible，dreadful，fearful，awesome ...