ill-bred /-ˈbrɛd/
  (a.)無教養的,無禮貌的,粗野的
  Ill-bred a. Badly educated or brought up; impolite; incivil; rude. See Note under Ill, adv.
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  ill-bred
       adj : (of persons) lacking in refinement or grace [syn: bounderish,
              lowbred, rude, underbred, yokelish]