Probably two of the most widely spoken language on earth, it’s useful sometimes just to know how you can translate a phrase or word in chinese to english, or from english to chinese. This website allows you to do that easily.
学中文 (learn chinese), uses the MDBG dictionary and got selected for the Best Free Reference Web Sites 2007 list by the American Library Association. It is simple to use, provides accurate translation, suggestions to other related definitions, simplified chinese and traditional chinese writings （简体，繁体）and even provides mp3 files for pronouncing a chinese word （拼音）.
Highly recommended as an online reference for those who are learning to speak chinese and english.