如果是之前Langdao English-Chinese Dictionary 朗道英汗字典的话 ssh 到ipad 执行下面三条命令直接完成替换.
cd /Library/Dictionaries/New\ Oxford\ American\ Dictionary.dictionary/Contents/
sed -i 's/Langdao English-Chinese Dictionary/New Oxford American Dictionary.dictionary/g' Info.plist
sed -i 's/ru.ABBYY.Lingvo.Langdao_(En-Ch)/com.apple.dictionary.NOAD/g' Info.plist