[ 比较级 more pernicious 最高级 most pernicious ]
ADJ If you describe something as pernicious, you mean that it is very harmful. 极为有害的 [正式]
I did what I could, but her mother's influence was pernicious.
我已尽我所能，但她母亲造成的影响是很极为不利的。
They don't really, in their ivory towers, understand how pernicious drug crime is.
身处象牙塔里，他们并不真正懂得毒品犯罪多么有害。
The kind of paper that purports to show that people who eat more than one kilo of broccoli a week were 1.17 times more likely than those who eat less to suffer late in life from pernicious anaemia.
这类论文声称，每周吃超过一公斤西兰花的人晚年患恶性贫血的几率是那些吃得少的人的1.17倍。
The impact on macroeconomic policy was equally pernicious.
它对于宏观经济政策同样有害。
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