in·de·scrib·able /ˌɪndɪˈskraɪbəbəl/
  (a.)不能用語言表達的,不可名狀的,莫名其妙的
  In·de·scrib·a·ble, a. Incapable of being described.
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  indescribable
       adj : defying expression or description; "indefinable yearnings";
             "indescribable beauty"; "ineffable ecstasy";
             "inexpressible anguish"; "unspeakable happiness";
             "unutterable contempt"; "a thing of untellable
             splendor" [syn: indefinable, ineffable, unspeakable,
              untellable, unutterable]