相關(guān)單詞同義詞certain, hard, 近義詞 certain 確定的, sure 肯定的, absolute 絕對(duì)的, definite 明確的, indubitable 不容置疑的, undisputed 無(wú)可置辯的, unquestionable 無(wú)疑問(wèn)的, indisputable 無(wú)可爭(zhēng)辯的臨近詞undress, undo, undoubtedly, undoubted fact, undoubtedly true, undoubted evidence, undoubtedly advice, Undoubtedly he did it., undoubted difficulties/problems相似詞undo, undocumented, undoing, undone, undreamed of, undress, undress sb with your eyes idiom, undue, 返回 undoubted