1·Your teacher's grading system may be unwise, but it is not unethical.
你老师的评分系统或许是不明智的，但它不是不道德的。
2·When done inappropriately, social media screening can be considered unethical or even illegal.
如果操作不当，社交媒体审查的做法可以被认为是不道德的，甚至是违法的。
3·I thought it was unethical for doctors to operate upon their families.
我认为让医生给他们的家人动手术是不道德的。
—— 《柯林斯英汉双解大词典》
4·It also prevents us from engaging in unethical behaviors such as campus violence and academic misconduct that cause negative social impacts.
它也可以防止我们做出造成不良社会影响的不道德行为，如校园暴力和学术不端。
5·Clincal trials to verify these results in humans would be highly unethical to conduct, because of the predictably unfavorable outcome.
采用人体临床试验来证明这些结果是非常不道德的，因为这些不好的结果是可预见的。