wail·ful /ˈwe(ə)lfəl/
  (a.)悲歎的,哀悼的
  Wail·ful a. Sorrowful; mournful.  “ Like wailful widows.” --Spenser. “Wailful sonnets.” --Shak.
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  wailful
       adj : vocally expressing grief or sorrow or resembling such
             expression; "lamenting sinners"; "wailing mourners";
             "the wailing wind"; "wailful bagpipes"; "tangle her
             desires with wailful sonnets"- Shakespeare [syn: lamenting,
              wailing]