"al bies" meaning in Spanish

{
  "head_templates": [
    {
      "args": {},
      "expansion": "al bies",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2022 January 14, Berna González Harbour, quoting Clara Obligado, “Clara Obligado: “Borges era aburridísimo””, in El País",
          "text": "Lo más importante: que alguien como él puede ser aburridísimo a unos niveles importantes. Y a leer al bies. Borges me daba literatura inglesa y no tocaba Shakespeare, Byron, que daba por sentado, sino a De Quincey, Christopher Marlowe.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "on the bias; diagonally"
      ],
      "id": "en-al_bies-es-adv-kwhWF~JI",
      "links": [
        [
          "on the bias",
          "on the bias"
        ],
        [
          "diagonally",
          "diagonally"
        ]
      ]
    }
  ],
  "word": "al bies"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "al bies",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Requests for translations of Spanish quotations",
        "Spanish adverbs",
        "Spanish entries with incorrect language header",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish terms with quotations"
      ],
      "examples": [
        {
          "english": "(please add an English translation of this quotation)",
          "ref": "2022 January 14, Berna González Harbour, quoting Clara Obligado, “Clara Obligado: “Borges era aburridísimo””, in El País",
          "text": "Lo más importante: que alguien como él puede ser aburridísimo a unos niveles importantes. Y a leer al bies. Borges me daba literatura inglesa y no tocaba Shakespeare, Byron, que daba por sentado, sino a De Quincey, Christopher Marlowe.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "on the bias; diagonally"
      ],
      "links": [
        [
          "on the bias",
          "on the bias"
        ],
        [
          "diagonally",
          "diagonally"
        ]
      ]
    }
  ],
  "word": "al bies"
}