plain·tive /ˈplentɪv/
  (a.)悲哀的,哀傷的
  Plain·tive a.
  1. Repining; complaining; lamenting.
  2. Expressive of sorrow or melancholy; mournful; sad. “The most plaintive ditty.”
  -- Plain*tive*ly, adv. -- Plain*tive*ness, n.
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  plaintive
       adj : expressing sorrow [syn: mournful]