DICT.TW Dictionary Taiwan

 blue·beard /ˈbluˌbɪrd/
 青須公,殘酷的丈夫,亂取妻妾的男人

 Blue·beard n. The hero of a mediæval French nursery legend, who, leaving home, enjoined his young wife not to open a certain room in his castle. She entered it, and found the murdered bodies of his former wives. -- Also used adjectively of a subject which it is forbidden to investigate.
    The Bluebeard chamber of his mind, into which no eye but his own must look.   --Carlyle.
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 Bluebeard
      n : (fairytale) a monstrous villain who marries seven women; he
          kills the first six for disobedience