"do one's best" meaning in English

{
  "forms": [
    {
      "form": "does one's best",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "doing one's best",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "did one's best",
      "tags": [
        "past"
      ]
    },
    {
      "form": "done one's best",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "do<does,,did,done> one's best"
      },
      "expansion": "do one's best (third-person singular simple present does one's best, present participle doing one's best, simple past did one's best, past participle done one's best)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1971 [1963 November 22], Lyndon Johnson, “The Beginning”, in The Vantage Point, Holt, Reinhart & Winston, →LCCN, →OCLC, page 17",
          "text": "This is a sad time for all people. We have suffered a loss that cannot be weighed. For me, it is a deep personal tragedy. I know that the world shares the sorrow that Mrs. Kennedy and her family bear. I will do my best. That is all I can do. I ask for your help — and God's.",
          "type": "quotation"
        },
        {
          "ref": "2022 November 2, Paul Bigland, “New trains, old trains, and splendid scenery”, in RAIL, number 969, page 58",
          "text": "Other stops retain no-frills brick-built shelters, although local community rail groups do their best to improve the ambience with planting, posters and artwork.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To do as best one can."
      ],
      "id": "en-do_one's_best-en-verb-ti6ZHDfU",
      "links": [
        [
          "as best one can",
          "as best one can"
        ]
      ],
      "related": [
        {
          "word": "do one's worst"
        }
      ],
      "synonyms": [
        {
          "word": "try one's best"
        },
        {
          "word": "do one's utmost"
        },
        {
          "word": "give it one's best shot"
        }
      ]
    }
  ],
  "word": "do one's best"
}

{
  "forms": [
    {
      "form": "does one's best",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "doing one's best",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "did one's best",
      "tags": [
        "past"
      ]
    },
    {
      "form": "done one's best",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "do<does,,did,done> one's best"
      },
      "expansion": "do one's best (third-person singular simple present does one's best, present participle doing one's best, simple past did one's best, past participle done one's best)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "related": [
    {
      "word": "do one's worst"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs"
      ],
      "examples": [
        {
          "ref": "1971 [1963 November 22], Lyndon Johnson, “The Beginning”, in The Vantage Point, Holt, Reinhart & Winston, →LCCN, →OCLC, page 17",
          "text": "This is a sad time for all people. We have suffered a loss that cannot be weighed. For me, it is a deep personal tragedy. I know that the world shares the sorrow that Mrs. Kennedy and her family bear. I will do my best. That is all I can do. I ask for your help — and God's.",
          "type": "quotation"
        },
        {
          "ref": "2022 November 2, Paul Bigland, “New trains, old trains, and splendid scenery”, in RAIL, number 969, page 58",
          "text": "Other stops retain no-frills brick-built shelters, although local community rail groups do their best to improve the ambience with planting, posters and artwork.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To do as best one can."
      ],
      "links": [
        [
          "as best one can",
          "as best one can"
        ]
      ],
      "synonyms": [
        {
          "word": "try one's best"
        },
        {
          "word": "do one's utmost"
        },
        {
          "word": "give it one's best shot"
        }
      ]
    }
  ],
  "word": "do one's best"
}