相关单词近義詞 uncertainly 不明確地, hesitantly 猶豫地, distrustfully 懷疑地, suspiciously 猜疑地, apprehensively 擔心地, dubiously 可疑地臨近詞doubtful, Doubtful point, doubtful title, doubtful asset, doubtful debts, doubtful Thomas, doubtful assets, doubtful breach, doubtful of plan, doubtful species, doubtful circuit 返回 doubtfully