"now and again" meaning in English

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  "lang_code": "en",
  "pos": "adv",
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      "examples": [
        {
          "text": "I still go swimming now and again, but not as often as when I was a child.",
          "type": "example"
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      ],
      "glosses": [
        "Synonym of occasionally, now and then, sometimes, intermittently."
      ],
      "id": "en-now_and_again-en-adv-xYMsYvNQ",
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          "occasionally",
          "occasionally#English"
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        [
          "now and then",
          "now and then"
        ],
        [
          "sometimes",
          "sometimes"
        ],
        [
          "intermittently",
          "intermittently"
        ]
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      "raw_glosses": [
        "(idiomatic) Synonym of occasionally, now and then, sometimes, intermittently."
      ],
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        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "occasionally"
        },
        {
          "tags": [
            "synonym",
            "synonym-of"
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          "word": "now and then"
        },
        {
          "tags": [
            "synonym",
            "synonym-of"
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          "word": "sometimes"
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        {
          "tags": [
            "synonym",
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          "word": "intermittently"
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        "not-comparable"
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  "word": "now and again"
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  "lang_code": "en",
  "pos": "adv",
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          "text": "I still go swimming now and again, but not as often as when I was a child.",
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      "glosses": [
        "Synonym of occasionally, now and then, sometimes, intermittently."
      ],
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          "occasionally",
          "occasionally#English"
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        [
          "now and then",
          "now and then"
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          "sometimes",
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          "intermittently",
          "intermittently"
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      ],
      "raw_glosses": [
        "(idiomatic) Synonym of occasionally, now and then, sometimes, intermittently."
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            "synonym",
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          "word": "occasionally"
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          "tags": [
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          "word": "now and then"
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            "synonym",
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          "word": "sometimes"
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          "tags": [
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