untrammeled
  (a.)未上枷鎖的;自由的
  Un·tram·meled a. Not hampered or impeded; free. [Written also untrammelled.]
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  untrammeled
       adj : not confined or limited; "the gift of a fresh eye and an
             untrammeled curiosity"- Russell Lord; "the untrammeled
             rush that the snows had shown in the first spring sun"-
             Farley Mowat [syn: untrammelled]