There is a widget to translate your blog into several languages.
Well it might not be that perfect but at least we get to understand it.

There are many gadgets and widgets online. This particular widget is great so far, limitations are there,

but don’t forget you are getting it for Free.

You can test it out.

Google Translator Widget with flags for WordPress.
Helps to translate your WordPress site from English to other 10 languages.
With this widget you can translate your blog or site from English in
other ten languages: French, Korean, Russian, Japanese, Spanish, Italian, Arabic, German, Portuguese and Chinese.

Get it over here:

Just cut and paste the code in your blog or site template.