Glosbe - Huge collaborative massively multilingual dictionary.
MDBG English to Chinese dictionary - English to Chinese dictionary with Mandarin pinyin - learn Chinese faster with MDBG!
VerbAce - VerbAce-Pro is an easy-to-use Desktop Translation Software. Translate in a mouse click
Pleco - The #1 Chinese dictionary app for iOS and Android
Wordnik - the biggest online English dictionary, by number of words
wenlin - Wenlin Software for Learning Chinese