Firefox Add-on Inline Translator is a tool that will help you translate the words you don’t know to your language. You can translate the words you don’t understand. Just select the text and it will be translated into your language. Inline Translator uses Google AJAX Language API. The idioms that are supported by Google AJAX Language API can be translated.
Img Credit: Softpedia
Inline Translator is an experimental add-on, so you will need to login to download the add-on.
