noun (n)

• an act intended to help that turns out badly

  tindakan dimaksudkan untuk membantunya ternyata buruk

  Example:
  He did them a disservice.
  

  Synonym:
  ill service, ill turn
  Antonym:
  service
  

  source: wordnet30
• Injury; mischief.

  cedera; kenakalan.

  source: webster1913