wrong·head·ed /ˈrɔŋˈhɛdɪd/
  (a.)乖僻的,頑固的,固執的,堅持錯誤的
  Wrong·head·ed, a. Wrong in opinion or principle; having a perverse understanding; perverse.  -- Wrong*head*ed*ly, adv. -- Wrong*head*ed*ness, n.
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  wrongheaded
       adj : obstinately perverse in judgment or opinion; "a wrongheaded
             policy"