"κόρακας κοράκου μάτι δε βγάζει" meaning in język nowogrecki

{
  "categories": [
    {
      "kind": "other",
      "name": "Nowogrecki (indeks)",
      "orig": "nowogrecki (indeks)",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "język nowogrecki",
  "lang_code": "el",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "kruk krukowi oka nie wykole"
      ],
      "id": "pl-κόρακας_κοράκου_μάτι_δε_βγάζει-el-unknown-ZZnWOtt2",
      "sense_index": "1.1"
    }
  ],
  "sounds": [
    {
      "ipa": "ˈko.ra.kas.ko.ˈra.ku.ˈma.ti.ðe.ˈvɣa.zi"
    }
  ],
  "word": "κόρακας κοράκου μάτι δε βγάζει"
}

{
  "categories": [
    "nowogrecki (indeks)"
  ],
  "lang": "język nowogrecki",
  "lang_code": "el",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "kruk krukowi oka nie wykole"
      ],
      "sense_index": "1.1"
    }
  ],
  "sounds": [
    {
      "ipa": "ˈko.ra.kas.ko.ˈra.ku.ˈma.ti.ðe.ˈvɣa.zi"
    }
  ],
  "word": "κόρακας κοράκου μάτι δε βγάζει"
}