"khai man" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "開",
        "2": "to begin",
        "3": "瞞",
        "4": "to lie"
      },
      "expansion": "Sino-Vietnamese word from 開 (“to begin”) and 瞞 (“to lie”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 開 (“to begin”) and 瞞 (“to lie”). Also compare 謾／谩 (“to deceive”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "verb",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "khai man",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "khai man",
      "name": "vi-verb"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words with uncreated Han etymology",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "to lie; to speak deceptively; to perjure"
      ],
      "id": "en-khai_man-vi-verb-oqtNxHGs",
      "links": [
        [
          "lie",
          "lie#English"
        ],
        [
          "speak",
          "speak#English"
        ],
        [
          "deceptively",
          "deceptively#English"
        ],
        [
          "perjure",
          "perjure#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xaːj˧˧ maːn˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[kʰaːj˧˧ maːŋ˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[xaːj˧˧ maːŋ˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[kʰaːj˧˧ maːŋ˧˧]",
      "note": "Saigon"
    },
    {
      "ipa": "[xaːj˧˧ maːŋ˧˧]",
      "note": "Saigon"
    }
  ],
  "word": "khai man"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "開",
        "2": "to begin",
        "3": "瞞",
        "4": "to lie"
      },
      "expansion": "Sino-Vietnamese word from 開 (“to begin”) and 瞞 (“to lie”)",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 開 (“to begin”) and 瞞 (“to lie”). Also compare 謾／谩 (“to deceive”).",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "verb",
        "3": "",
        "4": "",
        "head": "",
        "tr": ""
      },
      "expansion": "khai man",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "khai man",
      "name": "vi-verb"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Sino-Vietnamese words",
        "Sino-Vietnamese words with uncreated Han etymology",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese terms with IPA pronunciation",
        "Vietnamese verbs"
      ],
      "glosses": [
        "to lie; to speak deceptively; to perjure"
      ],
      "links": [
        [
          "lie",
          "lie#English"
        ],
        [
          "speak",
          "speak#English"
        ],
        [
          "deceptively",
          "deceptively#English"
        ],
        [
          "perjure",
          "perjure#English"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xaːj˧˧ maːn˧˧]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[kʰaːj˧˧ maːŋ˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[xaːj˧˧ maːŋ˧˧]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[kʰaːj˧˧ maːŋ˧˧]",
      "note": "Saigon"
    },
    {
      "ipa": "[xaːj˧˧ maːŋ˧˧]",
      "note": "Saigon"
    }
  ],
  "word": "khai man"
}