un·friend·ly /-ˈfrɛn(d)li/
  (ad.)不友善地
  Un·friend·ly, a.
  1. Not friendly; not kind or benevolent; hostile; as, an unfriendly neighbor.
  2. Not favorable; not adapted to promote or support any object; as, weather unfriendly to health.
  -- Un*friend*li*ness n.
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  unfriendly
       adj 1: not easy to understand or use; "user-unfriendly" [ant: friendly]
       2: not disposed to friendship or friendliness; "an unfriendly
          coldness of manner"; "an unfriendly action to take" [ant:
          friendly]
       3: lacking warmth of feeling; "a chilly greeting"; "an
          unfriendly manner" [syn: chilly]
       4: not friendly; "an unfriendly act of aggression"; "an
          inimical critic" [syn: inimical]
       5: very unfavorable to life or growth; "a hostile climate"; "an
          uncongenial atmosphere"; "an uncongenial soil"; "the
          unfriendly environment at high altitudes" [syn: hostile,
           uncongenial]
       [also: unfriendliest, unfriendlier]