mysteriousKK [mɪˋstɪriəs] /mɪˈstɪɹiəs/形容詞1神祕的、不可思議的、難解的The sudden disappearance of the whole crew remains mysterious.全體船員突然失蹤一事至今仍是個謎。2來歷不明的、身分不明的A mysterious stranger left the package at the front desk.一名來歷不明的陌生人把包裹留在櫃檯。3故作神祕的、諱莫如深的She was very mysterious about where the money came from.她對錢的來源始終故作神祕。