"الله أعلم" meaning in Arabic

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fa",
            "2": "الله اعلم",
            "bor": "1",
            "tr": "allâho a'lam"
          },
          "expansion": "→ Persian: الله اعلم (allâho a'lam)",
          "name": "desc"
        }
      ],
      "text": "→ Persian: الله اعلم (allâho a'lam)"
    }
  ],
  "etymology_text": "Literally “God knows best” or “God knows better”.",
  "forms": [
    {
      "form": "اَللّٰهُ أَعْلَم",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "allāhu ʔaʕlam",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ar",
        "2": "phrase",
        "head": "اَللّٰهُ أَعْلَم"
      },
      "expansion": "اَللّٰهُ أَعْلَم • (allāhu ʔaʕlam)",
      "name": "head"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Arabic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "God knows"
      ],
      "id": "en-الله_أعلم-ar-phrase-yQ-PR46z",
      "links": [
        [
          "God knows",
          "God knows"
        ]
      ]
    }
  ],
  "word": "الله أعلم"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fa",
            "2": "الله اعلم",
            "bor": "1",
            "tr": "allâho a'lam"
          },
          "expansion": "→ Persian: الله اعلم (allâho a'lam)",
          "name": "desc"
        }
      ],
      "text": "→ Persian: الله اعلم (allâho a'lam)"
    }
  ],
  "etymology_text": "Literally “God knows best” or “God knows better”.",
  "forms": [
    {
      "form": "اَللّٰهُ أَعْلَم",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "allāhu ʔaʕlam",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ar",
        "2": "phrase",
        "head": "اَللّٰهُ أَعْلَم"
      },
      "expansion": "اَللّٰهُ أَعْلَم • (allāhu ʔaʕlam)",
      "name": "head"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        "Arabic entries with incorrect language header",
        "Arabic lemmas",
        "Arabic multiword terms",
        "Arabic phrases"
      ],
      "glosses": [
        "God knows"
      ],
      "links": [
        [
          "God knows",
          "God knows"
        ]
      ]
    }
  ],
  "word": "الله أعلم"
}