{"groundTruth": ["每况愈下"], "candidates": [["日薄西山", "关怀备至", "每况愈下", "债台高筑", "窃窃私语", "真命天子", "内外交困"]], "content": "美国的底特律(Detroit)夺得Mosthatedcities的头筹，理由是治安不佳、环境污染，以及#idiom#的城市基础设施。我要评论", "realCount": 1}