"phát tác" meaning in Vietnamese

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      "expansion": "phát tác",
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      "args": {},
      "expansion": "phát tác",
      "name": "vi-verb"
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  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "verb",
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              109,
              122
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          "english": "Méi Chāofēng was blind in both eyes and her mind was bewildered; the poison on the hidden weapon was clearly taking effect; […]",
          "ref": "2005 [1957–1959], chapter 4, in Cao Tự Thanh, transl., Anh hùng xạ điêu, Nhà xuất bản Văn học, translation of 射雕英雄传 by Kim Dung [Jin Yong]:",
          "text": "Mai Siêu Phong hai mắt đã mù, đầu óc hôn mê, rõ ràng chất độc trên ám khí đã phát tác,[…]",
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      "glosses": [
        "to take effect"
      ],
      "id": "en-phát_tác-vi-verb-BtRr4Dpf",
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          "effect",
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        "(of something harmful) to take effect"
      ],
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        "of something harmful"
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      "ipa": "[faːt̚˧˦ taːk̚˧˦]",
      "tags": [
        "Hà-Nội"
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    {
      "ipa": "[faːk̚˦˧˥ taːk̚˦˧˥]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[faːk̚˦˥ taːk̚˦˥]",
      "note": "Saigon"
    }
  ],
  "word": "phát tác"
}

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      "expansion": "phát tác",
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  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "verb",
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          "english": "Méi Chāofēng was blind in both eyes and her mind was bewildered; the poison on the hidden weapon was clearly taking effect; […]",
          "ref": "2005 [1957–1959], chapter 4, in Cao Tự Thanh, transl., Anh hùng xạ điêu, Nhà xuất bản Văn học, translation of 射雕英雄传 by Kim Dung [Jin Yong]:",
          "text": "Mai Siêu Phong hai mắt đã mù, đầu óc hôn mê, rõ ràng chất độc trên ám khí đã phát tác,[…]",
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        "to take effect"
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        "(of something harmful) to take effect"
      ],
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        "of something harmful"
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    {
      "ipa": "[faːk̚˦˧˥ taːk̚˦˧˥]",
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        "Huế"
      ]
    },
    {
      "ipa": "[faːk̚˦˥ taːk̚˦˥]",
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    }
  ],
  "word": "phát tác"
}