inadvertent: unintentional, characterized by lack of thought or attention
1) not on purpose; unintentional
2) not paying proper attention
Synonyms: careless, negligent, thoughtless;
The error was both inadvertent and catastrophic.
It was an inadvertent error, to be sure, but nonetheless a mistake that required correction.
【考法1】adj. 偶然发生的： happening by chance
【例】an inadvertent encounter with a rattlesnake 偶遇响尾蛇
【近】 casual, fluky, incidental, unintentional, unplanned, unpremeditated, unwitting ,
【反】 calculated, deliberate, intended, intentional, planned, premeditated 有计划的，有预谋的
【考法2】adj. 疏忽的，不留意的： marked by unintentional lack of care
【例】The military has said it was an inadvertent error. 军方表示这是个疏忽大意的错误
【近】 careless, feckless, heedless, irreflective, thoughtless, uncaring
【反】 advertent, careful, heedful, mindful 留意的，小心的
impugn: 表示怀疑; to criticize or challenge as false or questionable in nature
1) to attack with words; to question the truthfulness or integrity
2) to challenge as false, to assail
impugn <> uphold 指责，攻击，反对<>支持
impugn <> consent
impugn <> extol 9
impugn <> vindicate 责难<>辩护
impugn <> champion攻击，指责<>拥护，支持
impugn <> endorse 攻击，指责<>认可
impugn <> approve, laud, compliment
impugn <> appease
impugn <> grantant
impugn = charge yMdu
impugn 责难, 非难, 驳斥 <> champion/vindicate/endorse
impugn (criticize) <> uphold (support) should be correct rather than appease (soothe).
inviolable<>impugn 不可侵犯的,不可征服的<>指责
The defense lawyer impugned the witness's testimony, which set back the prosecution's case.
If I believe the man is a fraud I will impugn his comments.
【考法1】v. 责难，攻击抨击： to attack as false or questionable; challenge in argument
【例】impugn a political opponent's character 就政治对手的人品发难
【近】 attack, assail, contradict, contravene, cross, disaffirm, deny, gainsay, negate, negative, traverse onm
【反】 advocate, back, support, uphold 支持;authenticate 证实，证明
