柯林斯詞典insidious /?n?s?d??s/ 1. ADJ Something that is insidious is unpleasant or dangerous and develops gradually without being noticed. 潛伏的; 暗中爲(wèi)害的 The changes are insidious, and will not produce a noticeable effect for 15 to 20 years. 變化是悄然發(fā)生的，15到20年間不會(huì)産生明顯傚果。 返回 insidious劍橋詞典(of something unpleasant or dangerous ) gradually and secretly causing harm 暗中爲(wèi)害的；隱伏的 High blood pressure is an insidious condition which has few symptoms . 高血壓是一種鮮現(xiàn)癥狀的潛伏性疾病。 返回 insidious