"vô bổ" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "無補"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "無補"
      },
      "expansion": "Sino-Vietnamese word from 無補",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 無補.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "head": "",
        "tr": ""
      },
      "expansion": "vô bổ",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "vô bổ",
      "name": "vi-adj"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Vietnamese words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "[…] or to force the student of meditation to immediately stop asking such pointless theoretical questions.",
          "ref": "2010, Minh Niệm, “Nghi ngờ”, in Hiểu về trái tim, NXB Trẻ:",
          "text": "[…] hoặc để buộc thiền sinh phải ngưng ngay câu hỏi có tính lý thuyết vô bổ ấy.",
          "type": "quote"
        }
      ],
      "glosses": [
        "pointless, leading nowhere"
      ],
      "id": "en-vô_bổ-vi-adj-PhA16dFk",
      "links": [
        [
          "pointless",
          "pointless"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[vo˧˧ ʔɓo˧˩]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[vow˧˧ ʔɓow˧˨]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[vow˧˧ ʔɓow˨˩˦]",
      "note": "Saigon"
    },
    {
      "ipa": "[jow˧˧ ʔɓow˨˩˦]",
      "note": "Saigon"
    }
  ],
  "word": "vô bổ"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "無補"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "vi",
        "2": "Sino-Vietnamese words"
      },
      "expansion": "",
      "name": "categorize"
    },
    {
      "args": {
        "1": "無補"
      },
      "expansion": "Sino-Vietnamese word from 無補",
      "name": "vi-etym-sino"
    }
  ],
  "etymology_text": "Sino-Vietnamese word from 無補.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "head": "",
        "tr": ""
      },
      "expansion": "vô bổ",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "vô bổ",
      "name": "vi-adj"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Vietnamese words",
        "Vietnamese adjectives",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese terms with IPA pronunciation",
        "Vietnamese terms with quotations"
      ],
      "examples": [
        {
          "english": "[…] or to force the student of meditation to immediately stop asking such pointless theoretical questions.",
          "ref": "2010, Minh Niệm, “Nghi ngờ”, in Hiểu về trái tim, NXB Trẻ:",
          "text": "[…] hoặc để buộc thiền sinh phải ngưng ngay câu hỏi có tính lý thuyết vô bổ ấy.",
          "type": "quote"
        }
      ],
      "glosses": [
        "pointless, leading nowhere"
      ],
      "links": [
        [
          "pointless",
          "pointless"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[vo˧˧ ʔɓo˧˩]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[vow˧˧ ʔɓow˧˨]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[vow˧˧ ʔɓow˨˩˦]",
      "note": "Saigon"
    },
    {
      "ipa": "[jow˧˧ ʔɓow˨˩˦]",
      "note": "Saigon"
    }
  ],
  "word": "vô bổ"
}