insidious
adjective uk/ɪnˈsɪd.i.əs/ us/ɪnˈsɪd.i.əs/
暗中为害的；隐伏的
(of something unpleasant or dangerous) gradually and secretly causing harm
High blood pressure is an insidious condition which has few symptoms. 高血压是一种鲜现症状的潜伏性疾病。
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。