v.败坏…的名声，使丧失信誉，使丢脸，使不相信，使怀疑，使不可置信
discredit的过去分词和过去式

原形：discredit第三人称单数：discredits过去式：discredited过去分词：discredited现在分词：discrediting

The politician's scandalous affair was used to discredit his campaign.
这位政治家的丑闻被用来损害他的竞选。
His reputation was utterly discredited after the fraud was exposed.
诈骗曝光后，他的声誉彻底扫地。
The expert's credibility was discredited when they contradicted their own earlier findings.
当这位专家反驳他们先前的研究结果时，其可信度受到了质疑。
The company's misleading advertising led to a public backlash, discrediting their brand image.
公司误导性的广告引发了公众的反对，损害了品牌形象。
The journalist's biased reporting discredited the entire media outlet in the eyes of many readers.
记者的偏见报道使这家媒体在许多读者眼中失去了公信力。
The rumor mill worked tirelessly to discredit her leadership, but she remained steadfast.
流言蜚语不断试图诋毁她的领导能力，但她依然坚定如初。
The scientist's discredited theory was eventually replaced by a more widely accepted explanation.
这位科学家被废弃的理论最终被更广为人接受的解释所取代。
The comedian's controversial jokes were intentionally discredited by some critics as low-brow humor.
一些评论家故意贬低这位喜剧演员的争议性笑话，称其为粗俗幽默。
The former CEO's involvement in the scandal further discredited the company's decision-making process.
前任CEO的涉事行为进一步损害了公司的决策信誉。
Discrediting personal attacks on opponents are often seen as unprofessional in a debate.
在辩论中，对对手的个人攻击通常被视为不专业的手段。