Hello Li Kong,
I use the;
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Concise English-Chinese, Chinese English
Dictionary
by Martin H. Manser
Second Edition
Oxford University press.
精迭英汉。汉英词典
牛津
ISBN 0-19-592584-X
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You can find it on
http://www.amazon.cn/%E7%89%9B%E6%B4%A5%E5%88%9D%E9%98%B6%E8%8B%B1%E6%B1%89%E5%8F%8C%E8%A7%A3%E8%AF%8D%E5%85%B8/dp/B0011BQ12S
but that is only English Chinese.
If you are not able to find it I can look around for you and have it send to you ….
I have many other dictionaries,( even Chinese-Chinese and Arabic-Chinese /Chinese-Arabic since
I studied Arabic as well).
If you are interrested I can send you their titels as well.
I also use njstar, which hss an build in dictionary
to be downloaded from www.njstar.com or google translator English Chinese.
To check my assumptions I offen typ in th chines characters in Google surge for it on internet and
on google images, this is a great help aswell.
Success
祝你学习顺利
万事如意
陆蓝科