"level best" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "level",
        "3": "best",
        "t1": "well balanced; even, steady"
      },
      "expansion": "level (“well balanced; even, steady”) + best",
      "name": "compound"
    }
  ],
  "etymology_text": "From level (“well balanced; even, steady”) + best.",
  "forms": [
    {
      "form": "level bests",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "level best (plural level bests)",
      "name": "en-noun"
    }
  ],
  "hyphenation": [
    "lev‧el"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "kind": "other",
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        },
        {
          "kind": "other",
          "name": "Finnish links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
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          "source": "w"
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      ],
      "examples": [
        {
          "ref": "2022 October 16, Jenna Scherer, “An Enticing House of the Dragon Crowns Westeros’ New Ruler”, in The A.V. Club, archived from the original on 2022-10-28",
          "text": "The king-to-be is sulking in a carriage beside his mother, who’s doing her level best to prepare her son for what’s to come.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The very best that one can do."
      ],
      "id": "en-level_best-en-noun-alJ-~Shh",
      "links": [
        [
          "very",
          "very"
        ],
        [
          "best",
          "good#Noun"
        ],
        [
          "do",
          "do#Verb"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) The very best that one can do."
      ],
      "related": [
        {
          "word": "personal best"
        }
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "very best that one can do",
          "word": "parhaansa"
        },
        {
          "code": "mk",
          "lang": "Macedonian",
          "roman": "nájdobar",
          "sense": "very best that one can do",
          "word": "на́јдобар"
        },
        {
          "code": "cy",
          "lang": "Welsh",
          "sense": "very best that one can do",
          "tags": [
            "masculine"
          ],
          "word": "gorau glas"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌlɛvl̩ ˈbɛst/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˌlɛv(ə)l ˈbɛst/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "rhymes": "-ɛst"
    },
    {
      "audio": "En-au-level best.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/ba/En-au-level_best.ogg/En-au-level_best.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/b/ba/En-au-level_best.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "level best"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "level",
        "3": "best",
        "t1": "well balanced; even, steady"
      },
      "expansion": "level (“well balanced; even, steady”) + best",
      "name": "compound"
    }
  ],
  "etymology_text": "From level (“well balanced; even, steady”) + best.",
  "forms": [
    {
      "form": "level bests",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "level best (plural level bests)",
      "name": "en-noun"
    }
  ],
  "hyphenation": [
    "lev‧el"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "personal best"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound nouns",
        "English compound terms",
        "English countable nouns",
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        "English idioms",
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        "English multiword terms",
        "English nouns",
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        "English terms with audio links",
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        "English terms with quotations",
        "Finnish links with redundant wikilinks",
        "Rhymes:English/ɛst",
        "Rhymes:English/ɛst/3 syllables"
      ],
      "examples": [
        {
          "ref": "2022 October 16, Jenna Scherer, “An Enticing House of the Dragon Crowns Westeros’ New Ruler”, in The A.V. Club, archived from the original on 2022-10-28",
          "text": "The king-to-be is sulking in a carriage beside his mother, who’s doing her level best to prepare her son for what’s to come.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The very best that one can do."
      ],
      "links": [
        [
          "very",
          "very"
        ],
        [
          "best",
          "good#Noun"
        ],
        [
          "do",
          "do#Verb"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) The very best that one can do."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌlɛvl̩ ˈbɛst/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˌlɛv(ə)l ˈbɛst/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "rhymes": "-ɛst"
    },
    {
      "audio": "En-au-level best.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/ba/En-au-level_best.ogg/En-au-level_best.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/b/ba/En-au-level_best.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "very best that one can do",
      "word": "parhaansa"
    },
    {
      "code": "mk",
      "lang": "Macedonian",
      "roman": "nájdobar",
      "sense": "very best that one can do",
      "word": "на́јдобар"
    },
    {
      "code": "cy",
      "lang": "Welsh",
      "sense": "very best that one can do",
      "tags": [
        "masculine"
      ],
      "word": "gorau glas"
    }
  ],
  "word": "level best"
}