early 15c., from Middle French pernicios (13c., Modern French pernicieux) and directly from Latin perniciosus "destructive," from pernicies "destruction, death, ruin," from per- "completely" (see per) + necis "violent death, murder," related to necare "to kill," nocere "to hurt, injure, harm," noxa "harm, injury" (see noxious). Related: Perniciously; perniciousness.
雙語例句
1. I did what I could, but her mother's influence was pernicious.
我已盡力了，但是她母親貽害頗深。
來自柯林斯例句
2. The principle had been pernicious from beginning to end.
這條原則自始至終都是有害的.
來自《簡明英漢詞典》
3. Business may be troublesome, but idleness is pernicious.
事業(yè)雖擾人, 怠惰害更大.
來自《簡明英漢詞典》
4. They don't really, in their ivory towers, understand how pernicious drug crime is.
他們身處象牙塔中，并不真正了解毒品犯罪的危害有多大。
來自柯林斯例句
5. There is a pernicious culture of excellence: everything has to be not merely good but the best.