"ác cái là" meaning in Vietnamese

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "ác",
        "3": "cái",
        "4": "là"
      },
      "expansion": "ác + cái + là",
      "name": "af"
    }
  ],
  "etymology_text": "ác + cái + là.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "phrases",
        "head": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "ác cái là",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "ác cái là",
      "name": "vi-phrase"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Vietnamese entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_english_offsets": [
            [
              25,
              34
            ]
          ],
          "bold_text_offsets": [
            [
              17,
              26
            ]
          ],
          "english": "I inteded to eat out but the irony was that there was a downpour.",
          "text": "Định đi ăn nhưng ác cái là trời mưa to.",
          "type": "example"
        }
      ],
      "glosses": [
        "the risk is, the difficulty is (therefore unable to do the aforementioned thing)"
      ],
      "id": "en-ác_cái_là-vi-phrase-Bssn7OUj",
      "links": [
        [
          "risk",
          "risk"
        ],
        [
          "difficulty",
          "difficulty"
        ]
      ],
      "raw_glosses": [
        "(colloquial) the risk is, the difficulty is (therefore unable to do the aforementioned thing)"
      ],
      "synonyms": [
        {
          "word": "ác một cái là"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔaːk̚˧˦ kaːj˧˦ laː˨˩]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔaːk̚˦˧˥ kaːj˨˩˦ laː˦˩]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔaːk̚˦˥ kaːj˦˥ laː˨˩]",
      "note": "Saigon"
    }
  ],
  "word": "ác cái là"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "vi",
        "2": "ác",
        "3": "cái",
        "4": "là"
      },
      "expansion": "ác + cái + là",
      "name": "af"
    }
  ],
  "etymology_text": "ác + cái + là.",
  "head_templates": [
    {
      "args": {
        "1": "vi",
        "2": "phrases",
        "head": "",
        "sc": "",
        "sort": "",
        "tr": "",
        "ts": ""
      },
      "expansion": "ác cái là",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "ác cái là",
      "name": "vi-phrase"
    }
  ],
  "lang": "Vietnamese",
  "lang_code": "vi",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Vietnamese colloquialisms",
        "Vietnamese compound terms",
        "Vietnamese entries with incorrect language header",
        "Vietnamese lemmas",
        "Vietnamese phrases",
        "Vietnamese terms with IPA pronunciation",
        "Vietnamese terms with usage examples"
      ],
      "examples": [
        {
          "bold_english_offsets": [
            [
              25,
              34
            ]
          ],
          "bold_text_offsets": [
            [
              17,
              26
            ]
          ],
          "english": "I inteded to eat out but the irony was that there was a downpour.",
          "text": "Định đi ăn nhưng ác cái là trời mưa to.",
          "type": "example"
        }
      ],
      "glosses": [
        "the risk is, the difficulty is (therefore unable to do the aforementioned thing)"
      ],
      "links": [
        [
          "risk",
          "risk"
        ],
        [
          "difficulty",
          "difficulty"
        ]
      ],
      "raw_glosses": [
        "(colloquial) the risk is, the difficulty is (therefore unable to do the aforementioned thing)"
      ],
      "synonyms": [
        {
          "word": "ác một cái là"
        }
      ],
      "tags": [
        "colloquial"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ʔaːk̚˧˦ kaːj˧˦ laː˨˩]",
      "tags": [
        "Hà-Nội"
      ]
    },
    {
      "ipa": "[ʔaːk̚˦˧˥ kaːj˨˩˦ laː˦˩]",
      "tags": [
        "Huế"
      ]
    },
    {
      "ipa": "[ʔaːk̚˦˥ kaːj˦˥ laː˨˩]",
      "note": "Saigon"
    }
  ],
  "word": "ác cái là"
}