pervert the course of justice 正義の道を踏み外す - Eゲイト英和辞典
Reading such silly stories will pervert your taste.
そんなくだらぬ物語ばかり読んでいると審美眼を損ねてしまう. - 研究社 新英和中辞典
To improve each of; visibility and audibility, safety of residents, and convenience in evacuation guidance when an alarm is made for disaster information that a natural disaster such as an earthquake or a tsunami has occurred and to improve safety and security respectively by protecting the residents against a suspicious individual such as a pervert who appears in a neighborhood. 地震または津波等の自然災害が発生した旨の災害情報について警報発報を行う際の視聴性、居住者の安全性および避難誘導の利便性をそれぞれ高めるとともに、近隣に出没した変質者等の不審者からの居住者の保護による安全性および防犯性をそれぞれ高める。 - 特許庁