per·ni·cious
adjective/pəˈnɪʃəs/
/pərˈnɪʃəs/
(formal)- having a very harmful effect on somebody/something, especially in a way that is not easily noticed
有害的，恶性的（尤指潜移默化地） - the pernicious influence of TV violence on children
电视暴力对儿童的有害影响 - Ageism is equally as offensive and pernicious as sexism.
年龄歧视与性别歧视一样具有攻击性和危害性。
Oxford Collocations DictionaryPernicious is used with these nouns:- influence
- myth
Word Originlate Middle English: from Latin perniciosus ‘destructive’, from pernicies ‘ruin’, based on nex, nec- ‘death’. - the pernicious influence of TV violence on children