"cùng khổ" meaning in Vietnamien

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en vietnamien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vietnamien",
      "orig": "vietnamien",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Misérable; pouilleux."
      ],
      "id": "fr-cùng_khổ-vi-adj-ZQ9ZfWSY"
    }
  ],
  "sounds": [
    {
      "ipa": "\\kuŋ˧˨.xo˧˨˧\\"
    }
  ],
  "word": "cùng khổ"
}

{
  "categories": [
    "Adjectifs en vietnamien",
    "vietnamien"
  ],
  "lang": "Vietnamien",
  "lang_code": "vi",
  "pos": "adj",
  "pos_title": "Adjectif",
  "senses": [
    {
      "glosses": [
        "Misérable; pouilleux."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\kuŋ˧˨.xo˧˨˧\\"
    }
  ],
  "word": "cùng khổ"
}