to cause people to stop respecting someone or believing in an idea or person

Evidence of links with drug dealers has discredited the mayor. 市长与贩毒分子有瓜葛的证据使他名誉扫地。

discredited theories 受到怀疑的理论

loss of respect for or belief in someone or something

The stupid behaviour of one student has brought discredit on the whole school. 一名学生的愚蠢行为让整个学校蒙羞。

To her discredit, she never admitted her role in the scandal. 她一直不承认自己参与了这桩丑闻，这使她在人们心中的形象大打折扣。