"be on bad terms" meaning in English

{
  "etymology_text": ": be on bad terms < → δείτε τις λέξεις be, on, bad και terms",
  "forms": [
    {
      "form": "be on bad terms"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ιδιωματισμοί (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "They are on bad terms and don’t acknowledge each other.",
          "translation": "Έχουν κακές σχέσεις και δε χαιρετιούνται."
        },
        {
          "text": "They were on bad terms but now they have made up.",
          "translation": "Ήταν μαλωμένοι αλλά τώρα αγαπίσανε."
        }
      ],
      "glosses": [
        "έχω κακές σχέσεις με κάποιον, είμαι μαλωμένος"
      ],
      "id": "el-be_on_bad_terms-en-phrase-1oq982jN",
      "raw_tags": [
        "ιδιωματισμός"
      ]
    }
  ],
  "word": "be on bad terms"
}

{
  "etymology_text": ": be on bad terms < → δείτε τις λέξεις be, on, bad και terms",
  "forms": [
    {
      "form": "be on bad terms"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Ιδιωματισμοί (αγγλικά)"
      ],
      "examples": [
        {
          "text": "They are on bad terms and don’t acknowledge each other.",
          "translation": "Έχουν κακές σχέσεις και δε χαιρετιούνται."
        },
        {
          "text": "They were on bad terms but now they have made up.",
          "translation": "Ήταν μαλωμένοι αλλά τώρα αγαπίσανε."
        }
      ],
      "glosses": [
        "έχω κακές σχέσεις με κάποιον, είμαι μαλωμένος"
      ],
      "raw_tags": [
        "ιδιωματισμός"
      ]
    }
  ],
  "word": "be on bad terms"
}