"втайне" meaning in Russian

{
  "forms": [
    {
      "form": "вта́йне",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "vtájne",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "вта́йне"
      },
      "expansion": "вта́йне • (vtájne)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "At one time he pretended to be a passionate lover of horses, at another a desperate gambler, and at another a refined gourmet, although he was never able to distinguish the mountain breed from the Arab, could never remember the trump cards, and in secret preferred a baked potato to all the inventions of the French cuisine.",
          "ref": "1837, Александр Пушкин, “Глава I”, in Египетские ночи; English translation from Thomas Keane, transl., The Egyptian Nights, 1916",
          "roman": "On prikidyvalsja to strastnym oxotnikom do lošadej, to otčajannym igrokom, to samym tonkim gastronomom; xotja nikak ne mog različitʹ gorskoj porody ot arabskoj, nikogda ne pomnil kozyrej i vtajne predpočital pečenyj kartofelʹ vsevozmožnym izobretenijam francuzskoj kuxni.",
          "text": "Он прикидывался то страстным охотником до лошадей, то отчаянным игроком, то самым тонким гастрономом; хотя никак не мог различить горской породы от арабской, никогда не помнил козырей и втайне предпочитал печеный картофель всевозможным изобретениям французской кухни.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "secretly (in secret)"
      ],
      "id": "en-втайне-ru-adv-WsaujtAM",
      "links": [
        [
          "secretly",
          "secretly"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈftajnʲe]"
    },
    {
      "audio": "LL-Q7737 (rus)-Rominf-втайне.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/91/LL-Q7737_%28rus%29-Rominf-%D0%B2%D1%82%D0%B0%D0%B9%D0%BD%D0%B5.wav/LL-Q7737_%28rus%29-Rominf-%D0%B2%D1%82%D0%B0%D0%B9%D0%BD%D0%B5.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/91/LL-Q7737_%28rus%29-Rominf-%D0%B2%D1%82%D0%B0%D0%B9%D0%BD%D0%B5.wav/LL-Q7737_%28rus%29-Rominf-%D0%B2%D1%82%D0%B0%D0%B9%D0%BD%D0%B5.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "втайне"
}

{
  "forms": [
    {
      "form": "вта́йне",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "vtájne",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "вта́йне"
      },
      "expansion": "вта́йне • (vtájne)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Russian 2-syllable words",
        "Russian adverbs",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian terms with IPA pronunciation",
        "Russian terms with audio links",
        "Russian terms with quotations"
      ],
      "examples": [
        {
          "english": "At one time he pretended to be a passionate lover of horses, at another a desperate gambler, and at another a refined gourmet, although he was never able to distinguish the mountain breed from the Arab, could never remember the trump cards, and in secret preferred a baked potato to all the inventions of the French cuisine.",
          "ref": "1837, Александр Пушкин, “Глава I”, in Египетские ночи; English translation from Thomas Keane, transl., The Egyptian Nights, 1916",
          "roman": "On prikidyvalsja to strastnym oxotnikom do lošadej, to otčajannym igrokom, to samym tonkim gastronomom; xotja nikak ne mog različitʹ gorskoj porody ot arabskoj, nikogda ne pomnil kozyrej i vtajne predpočital pečenyj kartofelʹ vsevozmožnym izobretenijam francuzskoj kuxni.",
          "text": "Он прикидывался то страстным охотником до лошадей, то отчаянным игроком, то самым тонким гастрономом; хотя никак не мог различить горской породы от арабской, никогда не помнил козырей и втайне предпочитал печеный картофель всевозможным изобретениям французской кухни.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "secretly (in secret)"
      ],
      "links": [
        [
          "secretly",
          "secretly"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈftajnʲe]"
    },
    {
      "audio": "LL-Q7737 (rus)-Rominf-втайне.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/91/LL-Q7737_%28rus%29-Rominf-%D0%B2%D1%82%D0%B0%D0%B9%D0%BD%D0%B5.wav/LL-Q7737_%28rus%29-Rominf-%D0%B2%D1%82%D0%B0%D0%B9%D0%BD%D0%B5.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/9/91/LL-Q7737_%28rus%29-Rominf-%D0%B2%D1%82%D0%B0%D0%B9%D0%BD%D0%B5.wav/LL-Q7737_%28rus%29-Rominf-%D0%B2%D1%82%D0%B0%D0%B9%D0%BD%D0%B5.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "втайне"
}