"二者択一" meaning in Japanese

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      "args": {
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        "2": "二者",
        "3": "択一",
        "4": "",
        "5": "",
        "pos1": "",
        "pos2": "",
        "pos3": "",
        "pos4": "",
        "sort": "",
        "t1": "two things",
        "t2": "choosing one option",
        "t3": "",
        "t4": "",
        "tr1": "nisha",
        "tr2": "takuitsu",
        "tr3": "",
        "tr4": ""
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      "expansion": "二者 (nisha, “two things”) + 択一 (takuitsu, “choosing one option”)",
      "name": "com"
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    {
      "args": {
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      "expansion": "にしゃたくいつ",
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      "args": {
        "1": "二者",
        "2": "択一",
        "t1": "two things",
        "t2": "choosing one option",
        "tr1": "nisha",
        "tr2": "takuitsu"
      },
      "expansion": "Yojijukugo (四字熟語), from 二者 (nisha, “two things”) + 択一 (takuitsu, “choosing one option”)",
      "name": "ja-yoji"
    }
  ],
  "etymology_text": "Yojijukugo (四字熟語), from 二者 (nisha, “two things”) + 択一 (takuitsu, “choosing one option”)",
  "forms": [
    {
      "form": "二者択一",
      "ruby": [
        [
          "二",
          "に"
        ],
        [
          "者",
          "しゃ"
        ],
        [
          "択",
          "たく"
        ],
        [
          "一",
          "いつ"
        ]
      ],
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        "canonical"
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      "form": "nishatakuitsu",
      "tags": [
        "romanization"
      ]
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      "args": {
        "1": "にしゃたくいつ"
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      "expansion": "二(に)者(しゃ)択(たく)一(いつ) • (nishatakuitsu)",
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  "lang_code": "ja",
  "pos": "noun",
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      ],
      "glosses": [
        "choosing between two things"
      ],
      "id": "en-二者択一-ja-noun-1NzNWVVg"
    }
  ],
  "sounds": [
    {
      "other": "にしゃ・たくいつ"
    },
    {
      "ipa": "[ɲ̟iɕa̠ta̠kɯ̟it͡sɨ]"
    }
  ],
  "word": "二者択一"
}

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        "pos3": "",
        "pos4": "",
        "sort": "",
        "t1": "two things",
        "t2": "choosing one option",
        "t3": "",
        "t4": "",
        "tr1": "nisha",
        "tr2": "takuitsu",
        "tr3": "",
        "tr4": ""
      },
      "expansion": "二者 (nisha, “two things”) + 択一 (takuitsu, “choosing one option”)",
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      "expansion": "にしゃたくいつ",
      "name": "sortkey"
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    {
      "args": {
        "1": "二者",
        "2": "択一",
        "t1": "two things",
        "t2": "choosing one option",
        "tr1": "nisha",
        "tr2": "takuitsu"
      },
      "expansion": "Yojijukugo (四字熟語), from 二者 (nisha, “two things”) + 択一 (takuitsu, “choosing one option”)",
      "name": "ja-yoji"
    }
  ],
  "etymology_text": "Yojijukugo (四字熟語), from 二者 (nisha, “two things”) + 択一 (takuitsu, “choosing one option”)",
  "forms": [
    {
      "form": "二者択一",
      "ruby": [
        [
          "二",
          "に"
        ],
        [
          "者",
          "しゃ"
        ],
        [
          "択",
          "たく"
        ],
        [
          "一",
          "いつ"
        ]
      ],
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      "glosses": [
        "choosing between two things"
      ]
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  ],
  "sounds": [
    {
      "other": "にしゃ・たくいつ"
    },
    {
      "ipa": "[ɲ̟iɕa̠ta̠kɯ̟it͡sɨ]"
    }
  ],
  "word": "二者択一"
}