"a number of" meaning in 英语

{
  "categories": [
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語短語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "英语",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "有使用例的英語詞",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "A number of people have commented on it.",
          "translation": "一些人对此作出了评论。"
        },
        {
          "text": "There are a number of problems with the log-in system.",
          "translation": "这个登录系统有几个问题。"
        },
        {
          "text": "I spoke with a number of them about it.",
          "translation": "我和他们中的几个人谈了谈那件事。"
        }
      ],
      "glosses": [
        "几个，一些"
      ],
      "id": "zh-a_number_of-en-phrase-T52QmktH"
    }
  ],
  "tags": [
    "idiomatic"
  ],
  "word": "a number of"
}

{
  "categories": [
    "有1個詞條的頁面",
    "英語短語",
    "英語詞元"
  ],
  "lang": "英语",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "有使用例的英語詞"
      ],
      "examples": [
        {
          "text": "A number of people have commented on it.",
          "translation": "一些人对此作出了评论。"
        },
        {
          "text": "There are a number of problems with the log-in system.",
          "translation": "这个登录系统有几个问题。"
        },
        {
          "text": "I spoke with a number of them about it.",
          "translation": "我和他们中的几个人谈了谈那件事。"
        }
      ],
      "glosses": [
        "几个，一些"
      ]
    }
  ],
  "tags": [
    "idiomatic"
  ],
  "word": "a number of"
}

{
  "called_from": "extractor/zh/page/parse_section/192",
  "msg": "Unhandled subtitle: 用法说明",
  "path": [
    "a number of"
  ],
  "section": "英语",
  "subsection": "用法说明",
  "title": "a number of",
  "trace": ""
}