kiwi.demo.md

{
  "keys": [
    "downbeat"
  ],
  "values": [
    {
      "frequency": 236548,
      "ipa": "daʊnˈbit",
      "translation": [
        "n. 下拍(乐队指挥向下的手势)；停滞",
        "adj. 忧郁的；悲观的；不强烈的"
      ]
    }
  ]
}

message Word {
  int frequency = 1;
  string ipa = 2;
  string[] translation = 3;
}


message Dict {
    string[] keys = 1;
    Word[] values = 2;
}

ref:

http://evanw.github.io/kiwi/