相关单词同義詞strange, sealed, XYZ, pronumeral, 近義詞 mystery 謎，神秘, unidentified 未確認的, strange 奇怪的, alien 外僑, undiscovered 未被發現的, stranger 陌生人, foreign 外來的, mysterious 神秘的, virgin 処女, unexplored 未勘查過的, nonentity 無專長或成就的人..., nobody 無足輕重的人..., newcomer 新來的人, beginner 初學者, unnamed 未命名的, secret 秘密, indefinite 模糊的, nameless 無名的, unfamiliar 不熟悉的, X Xs或 X's, X級電影..., question 問題, conundrum 謎語, riddle 謎, arcanum 秘密, puzzle 難題, untraced 未被跟蹤的, unfamous 不著名的, untracked 無足跡的, unheard-of 前所未聞的, untraveled 旅客甚少走過的..., unrecognized 未被承認的, unnoticed 不被注意的, undistinguished 混襍的, obscure 難解的, anonymous 匿名的, uncharted 地圖上沒標明的..., unascertained 未查明的, new 新的, unmeasured 不可測的, novel 小說, indeterminate 不確定的, undetermined 未確定的, undefined 未定義的, unset 未裝配的(不固定的)..., uncalculated 未經考慮的, unfixed 解脫的, Unrevealed 未揭露的, unestablished 未確立的, unsettled 未処理的, undisclosed 未泄露的, undecided (勝負)未決定的..., arcane 神秘的, enigmatic 謎的, hermetical 密封的, inscrutable 難以了解的, untold 數不清的(沒有說到的)..., puzzling 令人迷惑的, cryptic 隱秘的, dark 黑暗的, virgin soil 処女地, hidden 隱藏的unexplored territory, 未開發區unknown factor, 未知因素, enigmatical 難解的, territory 領土, closed book 不爲人知的人或事..., book 書, deep 深的deep secret, 難了解的秘密..., closed 關閉的, soil 土地, unknown 未知的, factor 因素to be announced, 另行通告, unsung 未被唱的, unknown quantity 難預測的人, terra incognita [拉]未發現的地域..., announced 宣佈的, to 對於, be 有反義詞known, 已知的臨近詞unlawful, unkind, unknowns, unknown to, unknownness, Unknown gas, unknown word, unknown term, unknown bits, unknown text, Unknown worm, unknown host相似詞unjustified, unkempt, unkind, unknowing, unknown quantity, unlace, unladylike, unlawful, 返回 unknown