I don't think it is worth a list in here, and I don't think many people would care about learning the Chinese for expressions and words from "Lord of the Rings", but if someone wants to know how to write "Wizard", "wood-elf", "Gandalf", "Orcs" or "The Two Towers" in Chinese, here is a link:
http://13800kms.wordpress.com/2010/01/10/lord-of-the-rings-some-vocab/