踏破铁鞋
  1. Beyond the pale fruitless searching Delai
  2. Beyond the pale in hunting to all does not cost too painstaking
  3. skill of Chinese boxing and sword play
  4. Beyond the pale fruitless searching Come all at no cost
      Explanation: Compared to going through something difficult to find, takes great effort.
      Usage: Verb-object type; as predicate, object; refers to the cost of great effort
      Source: Ming Feng Meng "Jingshitongyan": "It is: wear out iron shoes in hunting, must come to not a waste of effort!"
      Examples: Cao Jinghua, "sighed old wooden bridge _set_ of the first fly hovering no final": "all kinds of books, YAM rather than a rush, ~, are not properly resolved."