"in action" meaning in 英語

{
  "categories": [
    {
      "kind": "other",
      "name": "英語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語_成句",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語_成句_副詞句",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語_成句_形容詞句",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "成句",
  "senses": [
    {
      "examples": [
        {
          "text": "The steam enginein action was very impressive.",
          "translation": "活動中の蒸気機関は、非常に印象的であった。"
        }
      ],
      "glosses": [
        "（形容詞句）活動中の、作動中の。"
      ],
      "id": "ja-in_action-en-phrase-uAbfXYf1"
    },
    {
      "examples": [
        {
          "text": "Many men were missing in action",
          "translation": "多くに人が戦闘中に行方不明になった。"
        }
      ],
      "glosses": [
        "（副詞句）戦闘中に"
      ],
      "id": "ja-in_action-en-phrase-gvf8nFuX"
    }
  ],
  "tags": [
    "idiomatic"
  ],
  "word": "in action"
}

{
  "categories": [
    "英語",
    "英語_成句",
    "英語_成句_副詞句",
    "英語_成句_形容詞句"
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "phrase",
  "pos_title": "成句",
  "senses": [
    {
      "examples": [
        {
          "text": "The steam enginein action was very impressive.",
          "translation": "活動中の蒸気機関は、非常に印象的であった。"
        }
      ],
      "glosses": [
        "（形容詞句）活動中の、作動中の。"
      ]
    },
    {
      "examples": [
        {
          "text": "Many men were missing in action",
          "translation": "多くに人が戦闘中に行方不明になった。"
        }
      ],
      "glosses": [
        "（副詞句）戦闘中に"
      ]
    }
  ],
  "tags": [
    "idiomatic"
  ],
  "word": "in action"
}