dict.cc is not available for Windows Phone but there are a few alternatives with similar functionality. The best Windows Phone alternative is Lion (LEO dictionary). It's not free, so if you're looking for a free alternative, you could try Lion (LEO dictionary) or Blueseal Dictionary. If that doesn't suit you, our users have ranked more than 100 alternatives to dict.cc and three of them are available for Windows Phone so hopefully you can find a suitable replacement.
Lion allows you to send a query to the German-English, -French, -Spanish and -Italian LEO dictionaries (Chinese is currently not supported) with a click of your mouse from almost all MS Windows applications.
Multilingual dictionary. The Blueseal dictionary provides translations of words and expressions between German, English, Spanish and French in all possible combinations. It also provides a synonym dictionary for all these languages.
Germany
EU
excellent alternative for German, Spanish, English, French