in·alien·able /(ˌ)ɪˈneljənəbəl, ˈneliənə-/
  (a.)不能讓與的,不能轉售的,不能奪取的,不可分割的
  In·al·ien·a·ble a.  Incapable of being alienated, surrendered, or transferred to another; not alienable; as, in inalienable birthright.
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  inalienable
       adj 1: incapable of being repudiated or transferred to another;
              "endowed by their Creator with certain unalienable
              rights" [syn: unalienable] [ant: alienable]
       2: not subject to forfeiture; "an unforfeitable right" [syn: unforfeitable]