Yes.
離婚證都是中文的
-Ask your friend to translate it into English, then go to the Notary Public to notarize your friend's signature. Your friend also needs to provide the statement addressing that he/she knows both English and Chinese well and the translation is accurate.
See:
https://www.uscis.gov/forms/forms-and-fees/general-tips-assembling-applications-mailing
http://www.immihelp.com/immigration/document-english-translation.html