code: public static CoreDictionary.Attribute get(String key)
      {
          if (HanLP.Config.Normalization) key = CharTable.convert(key);
          CoreDictionary.Attribute attribute = dat.get(key);
          if (attribute != null) return attribute;
          if (trie == null) return null;
          return trie.get(key);
      }
docs: 查单词
  
  @param key
  @return