GRE重點(diǎn)詞匯解析：impugn

　　impugn: 表示懷疑; 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 指責(zé)，攻擊，反對(duì)<>支持

　　impugn <> consent

　　impugn <> extol 9

　　impugn <> vindicate 責(zé)難<>辯護(hù)

　　impugn <> champion攻擊，指責(zé)<>擁護(hù)，支持

　　impugn <> endorse 攻擊，指責(zé)<>認(rèn)可

　　impugn <> approve, laud, compliment

　　impugn <> appease

　　impugn <> grantant

　　impugn = charge yMdu

　　impugn 責(zé)難, 非難, 駁斥 <> 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<>指責(zé)

　　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. 責(zé)難，攻擊抨擊： to attack as false or questionable; challenge in argument

　　【例】impugn a political opponent's character 就政治對(duì)手的人品發(fā)難

　　【近】 attack, assail, contradict, contravene, cross, disaffirm, deny, gainsay, negate, negative, traverse onm

　　【反】 advocate, back, support, uphold 支持;authenticate 證實(shí)，證明