impugn

vt

• ① 【文】指责[攻击、驳斥](行为、意见等);对…表示怀疑
  • impugn the current system of education抨击现行的教育制度
  • His personal integrity, ability and intelligence are impugned by none.对他个人的正直、才能和智力无人表示怀疑。