"反面" meaning in 日語

{
  "categories": [
    {
      "kind": "other",
      "name": "使用音讀的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "寫作「反」讀作「はん」的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "寫作「面」讀作「めん」的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "待分類的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "待分類的漢語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日语",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "漢語",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "日語",
  "lang_code": "ja",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "·副\n1. 反面。\n反面教師\n反面教员。\n2. 另一面。\nこれは便利な反面，こわれやすい欠点がある\n这个虽然很方便，但另一方面，还有易碎的不足之处。"
      ],
      "id": "zh-反面-ja-unknown--qQ6bWm~"
    }
  ],
  "word": "反面"
}

{
  "categories": [
    "使用音讀的日語詞",
    "寫作「反」讀作「はん」的日語詞",
    "寫作「面」讀作「めん」的日語詞",
    "待分類的日語詞",
    "待分類的漢語詞",
    "日語",
    "日语",
    "漢語"
  ],
  "lang": "日語",
  "lang_code": "ja",
  "pos": "unknown",
  "senses": [
    {
      "glosses": [
        "·副\n1. 反面。\n反面教師\n反面教员。\n2. 另一面。\nこれは便利な反面，こわれやすい欠点がある\n这个虽然很方便，但另一方面，还有易碎的不足之处。"
      ]
    }
  ],
  "word": "反面"
}