Type in an English sentence. Translate it into Chinese (simplified or traditional; doesn't matter which). Copy the Chinese text and paste it into the "Translate again" textbox. Put periods between each pair of characters. Translate back into English (using the same variation of Chinese, simplified or traditional, as before). Laugh at the results.
Welcome to Live Journal.
...translated into Chinese-simplified becomes...
...copied into the Translate Again textbox and interlaced with periods becomes...
...translated from Chinese-simplified back into English becomes...
Happy Welcomes Occupies Lives Studies Newspaper.
I wish I knew how to quit you.
I Wishes Hopes I Meets Puts Abandons You.
Who knows what evil lurks in the hearts of men?
Who Knows Assorted Crime Wicked Dives Bends down In Person Heart Dirty?
Love means never having to say you're sorry.
Loves Italy Taste From Not Must Must Said You Hugs 歉.
(Hey, who doesn't love Italy taste?)