in·trac·ta·ble /(ˌ)ɪnˈtræktəbəl/
  (a.)不聽話的,倔強的,棘手的
  in·trac·ta·ble /(ˈ)ɪnˈtræktəbəl/ 形容詞
  頑固的,難治的
  In·tract·a·ble a.  Not tractable; not easily governed, managed, or directed; indisposed to be taught, disciplined, or tamed; violent; stubborn; obstinate; refractory; as, an intractable child.
  Syn: -- Stubborn; perverse; obstinate; refractory; cross; unmanageable; unruly; headstrong; violent; ungovernable; unteachable.
  -- In*tract*a*ble*ness, n. -- In*tract*a*bly, adv.
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  intractable
       adj : not tractable; difficult to manage or mold; "an intractable
             disposition"; "intractable pain"; "the most intractable
             issue of our era"; "intractable metal" [ant: tractable]