For both English and Chinese learners at elementary and intermediate levels. A two-way dictionary with concise explanations. More than 60,000 entries, phrases and compounds in English-Chinese part, with over 1,000 new words and senses. More than 40,000 basic and derivative entries in Chinese-English part, with over 5,000 new words and senses. Rich grammatical notes in English-Chinese part, with lots of typicla phrases, idioms and usage notes Labeling part-of-speech for each entry and providing more than 50,000 examples and collocations in Chinese-English part.