adverse
adj. 不利的，有害的；相反的；敌对的
例句
This drug is known to have adverse side effects.
众所周知，这种药具有不良副作用。
《牛津词典》
The improper use of medicine could lead to severe adverse reactions.
用药不当会引起严重的不良反应。
《柯林斯英汉双解大词典》
Lack of money will have an adverse effect on our research programme.
缺少资金将对我们的研究方案有不利影响。
