Online English-Chinese Dictionary
    (Type an English word and get back Chinese words in Big5/GB/Image)

Online Chinese Character Multi-dictionaries
    (Type an Chinese Character or English word, get back the definitions from multiple on-line dictionaries)

Chinese Search Engines

SINA Network
    (Separate pages for USA, Taiwan, Hong Kong, and Mainland China)
Chinese Yahoo!

Yahoo! China (Focus on Mainland China)
Net2Global (Net To Global from everywhere)