1. 恶性的
2. 有害的
3. 有毒的
4. 致命的
5. 坏的
6. 邪恶的

1. exceedingly harmful

2. working or spreading in a hidden and usually injurious way;

   "glaucoma is an insidious disease"
   "a subtle poison"
   

1.有害的；恶性的
If you describe something aspernicious, you mean that it is very harmful.

e.g. I did what I could, but her mother's influence waspernicious...
我已尽力了，但是她母亲贻害颇深。
e.g. There is apernicious culture of excellence: everything has to be not merely good but the best.
对于优秀存在着一种认识的误区：一切都务求最好。

1. 有害无益的：permissive 宽容的;许可的 |pernicious 有害无益的 | pornographic 色情的

2. 恶性的：permutation test 排列检定 |pernicious 恶性的 | peroxidase method 过氧化物酶法

3. 有害的,致命的：shrill 尖锐的 刺耳的 |pernicious 有害的 致命的 | propitious 吉利的

1. This event had a pernicious influence on society.
   这件事情对社会造成了有害的影响。
2. Pollution of the water supply reached a level pernicious to the health of the population.
   水源污染已经达到危及居民健康的程度。
3. Lack of intrinsic factor can result in pernicious anemia.
   缺乏内源因素可导致恶性贫血。

• pernicious%20anaemia">pernicious anaemia恶性贫血
• pernicious%20anemia">pernicious anemia[医]恶性贫血...
• pernicious%20malaria">pernicious malaria热带疟,凶险型疟疾,...
• pernicious%20myopia">pernicious myopia恶性近视
• pernicious%20vomiting">pernicious vomiting恶阻
• pernicious%20trend">pernicious trend恶性趋向
• pernicious%20remittent%20fever">pernicious remittent fever恶性弛张热
• pernicious%20bird">pernicious bird害鸟
• pernicious%20anemia">juvenile pernicious anemia少年期恶性贫血...

• But for her pernicious influence, Ruth would have been an ordinary sweet American girl.

  出自：P. G. Wodehouse

• She condemns the power of fiction to embody fantasy as straightforwardly pernicious.

  出自：J. Uglow

• Garlic was thought to have a particularly pernicious effect.

  出自：Journal of Navigation