"only too" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "only too (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "_dis": "98 2",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "I'll be only too happy to help.",
          "type": "example"
        },
        {
          "ref": "1922, Stephen McKenna, The Confessions of a Well-Meaning Woman:",
          "text": "In a crisis I am only too well aware that I am always left to find a way out, but that night I felt hardly adequate even to ordinary conversation",
          "type": "quote"
        },
        {
          "ref": "1913, Kenneth Grahame, chapter 10, in The Wind in the Willows:",
          "text": "After some miles of country lanes he reached the high road, and as he turned into it and glanced along its white length, he saw approaching him a speck that turned into a dot and then into a blob, and then into something very familiar; and a double note of warning, only too well known, fell on his delighted ear.",
          "type": "quote"
        }
      ],
      "glosses": [
        "very, all too."
      ],
      "id": "en-only_too-en-adv-LQqmOx0F",
      "links": [
        [
          "very",
          "very"
        ],
        [
          "all too",
          "all too"
        ]
      ],
      "raw_glosses": [
        "(before adjective) very, all too."
      ],
      "raw_tags": [
        "before adjective"
      ],
      "related": [
        {
          "_dis1": "62 38",
          "word": "full well"
        },
        {
          "_dis1": "62 38",
          "word": "fully well"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "ref": "2019 November 21, Samanth Subramanian, “How our home delivery habit reshaped the world”, in The Guardian:",
          "text": "Cities were not built to handle this volume of last-mile activity – a fact that firms such as UPS realise only too well.",
          "type": "quote"
        },
        {
          "ref": "2014, Trina Chako, Sisters:",
          "text": "You understand?”\n “Only too well.” Sudhir said wryly.",
          "type": "quote"
        }
      ],
      "glosses": [
        "to a high degree; very well or very much"
      ],
      "id": "en-only_too-en-adv-NeJKto3g",
      "raw_glosses": [
        "(before adverb) to a high degree; very well or very much"
      ],
      "raw_tags": [
        "before adverb"
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "only too"
}

{
  "categories": [
    "English adverbs",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English uncomparable adverbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "only too (not comparable)",
      "name": "en-adv"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "related": [
    {
      "word": "full well"
    },
    {
      "word": "fully well"
    }
  ],
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "I'll be only too happy to help.",
          "type": "example"
        },
        {
          "ref": "1922, Stephen McKenna, The Confessions of a Well-Meaning Woman:",
          "text": "In a crisis I am only too well aware that I am always left to find a way out, but that night I felt hardly adequate even to ordinary conversation",
          "type": "quote"
        },
        {
          "ref": "1913, Kenneth Grahame, chapter 10, in The Wind in the Willows:",
          "text": "After some miles of country lanes he reached the high road, and as he turned into it and glanced along its white length, he saw approaching him a speck that turned into a dot and then into a blob, and then into something very familiar; and a double note of warning, only too well known, fell on his delighted ear.",
          "type": "quote"
        }
      ],
      "glosses": [
        "very, all too."
      ],
      "links": [
        [
          "very",
          "very"
        ],
        [
          "all too",
          "all too"
        ]
      ],
      "raw_glosses": [
        "(before adjective) very, all too."
      ],
      "raw_tags": [
        "before adjective"
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2019 November 21, Samanth Subramanian, “How our home delivery habit reshaped the world”, in The Guardian:",
          "text": "Cities were not built to handle this volume of last-mile activity – a fact that firms such as UPS realise only too well.",
          "type": "quote"
        },
        {
          "ref": "2014, Trina Chako, Sisters:",
          "text": "You understand?”\n “Only too well.” Sudhir said wryly.",
          "type": "quote"
        }
      ],
      "glosses": [
        "to a high degree; very well or very much"
      ],
      "raw_glosses": [
        "(before adverb) to a high degree; very well or very much"
      ],
      "raw_tags": [
        "before adverb"
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "only too"
}