短語詞組短語impugn uphold 贊成impugn endorse 責(zé)難impugn vindicate 責(zé)難impugn n 指責(zé)impugn - champion 支持impugn a statement 駁斥一種言論impugn a piece of evidence 繙譯;懷疑証據(jù)to impugn someone 's integrity 懷疑某人不誠實 返回 impugn