"百尺竿頭" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "ひゃくしゃくかんとう"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "phrase",
  "pos_title": "成句",
  "senses": [
    {
      "glosses": [
        "百尺もあるような竿の先。"
      ],
      "id": "ja-百尺竿頭-ja-phrase-GNQoEQwm"
    },
    {
      "glosses": [
        "到達しようとする極点。"
      ],
      "id": "ja-百尺竿頭-ja-phrase--33njF3f"
    }
  ],
  "tags": [
    "idiomatic"
  ],
  "word": "百尺竿頭"
}

{
  "categories": [
    "日本語",
    "日本語 名詞"
  ],
  "forms": [
    {
      "form": "ひゃくしゃくかんとう"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "phrase",
  "pos_title": "成句",
  "senses": [
    {
      "glosses": [
        "百尺もあるような竿の先。"
      ]
    },
    {
      "glosses": [
        "到達しようとする極点。"
      ]
    }
  ],
  "tags": [
    "idiomatic"
  ],
  "word": "百尺竿頭"
}