impugn a decision 质疑决定
impugn character 攻击人格
impugn motives 质疑动机
impugn credibility 驳斥可信度
1. He impugns the integrity of the judge.
他质疑法官的公正性。
2. The article impugns the government's policy.
这篇文章抨击了政府的政策。
3. She impugns his motives for volunteering.
她质疑他自愿服务的动机。
A: Why did he impugns the report's accuracy?
A：他为什么要质疑报告的准确性？
B: Because the data seemed inconsistent.
B：因为数据看起来不一致。
1) 公开质疑
2) 攻击，驳斥
3) 表示怀疑
1. 公开表示怀疑或攻击（某人的品格、动机等）。
e.g. He impugns her motives for leaving the company.
他质疑她离开公司的动机。
verb
1. To attack or call into question the truth, correctness, or worth of something.
Synonym: challenge, question, dispute