相關單詞近義詞 distrust 不信任, diffidence 無自信, suspicion 猜疑, dubiousness dubious的名詞形式..., doubt 懷疑, question 問題, uncertainty 不確定, dubiety 懷疑, incertitude 疑惑臨近詞doubtful, doubtful about/of, doubtful sponsor list, doubtful about result, doubtful of /about, doubtful as to sth., doubtful bill receivable, doubtful debts provision, doubtful positive sample, doubtful accounts provision, doubtful notes and accounts 返回 doubtfulness