denigrate
词根词缀：
denigrate v. 诋毁；贬低
de 使… + nigr 黑 + ate 使… → 使变黑 → 贬低
denigration n. 贬低；诋毁
denigrate的名词
negro n. （带歧视含义）黑人
negr 黑 + o 表人 → （带歧视含义）黑人
数据来源：新东方英语词汇速记大全
相关例句：
And I never meant to denigrate Tony soprano.
我也无意中伤东尼索波诺。
And so, rewarding children has a danger, which is if you give them too much reward and too much a value for what they're doing they will denigrate the activity.
所以奖励孩子是有隐患的，如果你给他们太多奖励，赋予他们的活动太多价值，他们就会贬低这个活动。
At the same time, the opposing Whig Party made use of OK to denigrate Van Buren's political mentor Andrew Jackson.
同时，对立的辉格党用OK这个词诋毁范布伦的政治导师安德鲁杰克逊。
If I do not agree with'the nationalistic feeling of the Chinese people'then I must be trying to denigrate China.
如果我不同意中国人民的民族主义感情，我就是在试图摸黑中国。
If he asks why you deserve it, you give him examples of your hard work – but you don't denigrate your colleague.
如果他问你为什么应该给你涨工资，你就向他列举自己努力工作的例子&但不要贬低你的同事。
Denigrate: to attack the character or reputation of; speak ill of; defame.
诋毁：攻击人格或名誉；说坏话；诽谤。