Pretty much what it says on the tin.
There is a subreddit where people are using Google to translate the dialogue of Star Wars movies into Chinese, and then back to a English. Then they are actually dubbing them onto the scenes. The dubbing is pretty well done. Here are a few stills that will show you the comedy genius of this idea.
The Tumblr link mentions something similar for Lord of the Rings which I am now off to find!