core/homeassistant/components/rdw/translations/ja.json

{
    "config": {
        "error": {
            "unknown_license_plate": "\u4e0d\u660e\u306a\u30e9\u30a4\u30bb\u30f3\u30b9\u30d7\u30ec\u30fc\u30c8"
        },
        "step": {
            "user": {
                "data": {
                    "license_plate": "\u30e9\u30a4\u30bb\u30f3\u30b9\u30d7\u30ec\u30fc\u30c8"
                }
            }
        }
    }
}