"game face" meaning in English

{
  "forms": [
    {
      "form": "game faces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "game face (plural game faces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "The editor told his star reporter to put his game face on, because he was going to cover a potentially hours-long city council meeting where they were going to discuss the controversial issue and tempers were expected to flare."
        }
      ],
      "glosses": [
        "The expression of one who is prepared for or is facing a lot of difficult and/or undesirable work, especially when it is imminent."
      ],
      "id": "en-game_face-en-noun-5TJBPN7w",
      "links": [
        [
          "prepare",
          "prepare"
        ],
        [
          "difficult",
          "difficult"
        ],
        [
          "work",
          "work"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) The expression of one who is prepared for or is facing a lot of difficult and/or undesirable work, especially when it is imminent."
      ],
      "tags": [
        "idiomatic"
      ]
    },
    {
      "categories": [
        {
          "_dis": "19 81",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A facial expression used to prevent giving away one's emotions."
      ],
      "id": "en-game_face-en-noun-FQVPl5PI",
      "raw_glosses": [
        "(idiomatic) A facial expression used to prevent giving away one's emotions."
      ],
      "related": [
        {
          "_dis1": "17 83",
          "word": "poker face"
        }
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-game face.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/61/En-au-game_face.ogg/En-au-game_face.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/61/En-au-game_face.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "game face"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with audio links"
  ],
  "forms": [
    {
      "form": "game faces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "game face (plural game faces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "poker face"
    }
  ],
  "senses": [
    {
      "categories": [
        "English idioms"
      ],
      "examples": [
        {
          "text": "The editor told his star reporter to put his game face on, because he was going to cover a potentially hours-long city council meeting where they were going to discuss the controversial issue and tempers were expected to flare."
        }
      ],
      "glosses": [
        "The expression of one who is prepared for or is facing a lot of difficult and/or undesirable work, especially when it is imminent."
      ],
      "links": [
        [
          "prepare",
          "prepare"
        ],
        [
          "difficult",
          "difficult"
        ],
        [
          "work",
          "work"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) The expression of one who is prepared for or is facing a lot of difficult and/or undesirable work, especially when it is imminent."
      ],
      "tags": [
        "idiomatic"
      ]
    },
    {
      "categories": [
        "English idioms"
      ],
      "glosses": [
        "A facial expression used to prevent giving away one's emotions."
      ],
      "raw_glosses": [
        "(idiomatic) A facial expression used to prevent giving away one's emotions."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-game face.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/61/En-au-game_face.ogg/En-au-game_face.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/61/En-au-game_face.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "game face"
}