These do not work well - translate into German and back again to see what happens!

• altavista [http://world.altavista.com/tr]
• freetranslation [www.freetranslation.com]
• paralink [http://translation2.paralink.com/]
• Recent versions of Word (e.g. XP) plus the language pack include a German/English dictionary and an online translation service.