"není" meaning in 捷克語

{
  "categories": [
    {
      "kind": "other",
      "name": "捷克語動詞變位形式",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "捷克語非詞元形式",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "捷克語",
  "lang_code": "cs",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "nebýt"
        }
      ],
      "glosses": [
        "不是，nebýt 的第三人稱單數現在時直陳式"
      ],
      "id": "zh-není-cs-verb-HK5BcVYK",
      "tags": [
        "form-of"
      ]
    }
  ],
  "word": "není"
}

{
  "categories": [
    "捷克語動詞變位形式",
    "捷克語非詞元形式"
  ],
  "lang": "捷克語",
  "lang_code": "cs",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "nebýt"
        }
      ],
      "glosses": [
        "不是，nebýt 的第三人稱單數現在時直陳式"
      ],
      "tags": [
        "form-of"
      ]
    }
  ],
  "word": "není"
}

{
  "called_from": "extractor/zh/page/parse_section/192",
  "msg": "Unhandled subtitle: 用法説明",
  "path": [
    "není"
  ],
  "section": "捷克語",
  "subsection": "用法説明",
  "title": "není",
  "trace": ""
}