"شیرین کردن" meaning in Persian

{
  "forms": [
    {
      "form": "širin kardan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fa",
        "2": "verb",
        "tr": "širin kardan"
      },
      "expansion": "شیرین کردن • (širin kardan)",
      "name": "head"
    }
  ],
  "lang": "Persian",
  "lang_code": "fa",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Persian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "to sweeten"
      ],
      "id": "en-شیرین_کردن-fa-verb-Jap-gAtT",
      "links": [
        [
          "sweeten",
          "sweeten"
        ]
      ]
    }
  ],
  "word": "شیرین کردن"
}

{
  "forms": [
    {
      "form": "širin kardan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fa",
        "2": "verb",
        "tr": "širin kardan"
      },
      "expansion": "شیرین کردن • (širin kardan)",
      "name": "head"
    }
  ],
  "lang": "Persian",
  "lang_code": "fa",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Persian entries with incorrect language header",
        "Persian lemmas",
        "Persian multiword terms",
        "Persian verbs"
      ],
      "glosses": [
        "to sweeten"
      ],
      "links": [
        [
          "sweeten",
          "sweeten"
        ]
      ]
    }
  ],
  "word": "شیرین کردن"
}