http://www.taragana.com/products/translator-plugin-pro
Translator Plugin Pro provides automatic machine translation of your WordPress blog in 20 languages – German, Spanish, Russian, Arabic, Dutch, Greek, French, Italian, Portuguese, Japanese, Korean, Chinese Simplified, Chinese Traditional, Norwegian, Hindi, Sweedish, Latvian, Slovak, Ukranian and Catalan.
可以翻譯的外掛，但是用機器翻譯的結果還是有點慘 >.<
這外掛須付費的，不過搜尋引擎抓得到翻譯的網頁
另外也有免錢的 WordPress Global Translator Plugin
但國旗都搞錯了，所以也就不建議用囉 ^^
