free-babylon ist a very useful desktop dictionary. You need only to mark the word, which you would like to translate. By the clicking at middle Mouse button the word will send to you favourites web dictionary. And you get the world translated at free-Babylon 0.1
start the application. it will start invisible mod.
mark the world which you want to translate
click the middle mouse button.
that all!
https://sourceforge.net/projects/free-babylon/