Laoshi - Learn new words with flashcards to master Chinese faster
MDBG English to Chinese dictionary - English to Chinese dictionary with Mandarin pinyin - learn Chinese faster with MDBG!
Zizzle - Learn Chinese through visual stories
wenlin - Wenlin Software for Learning Chinese
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Youdao Dictionary - Youdao is a search engine released by Chinese internet leviathan, NetEase in 2007.