{"groundTruth": ["千钧一发"], "candidates": [["多情善感", "瞬息之间", "千钧一发", "披星带月", "手疾眼快", "姗姗来迟", "电光石火"]], "content": "突然，男子持刀冲向对话民警，对话民警连忙避让，男子又挥舞尖刀冲向围观人群。#idiom#之际，民警、武警不顾自身安危，立即上前阻挡。搏斗中一民警身负重伤。武警战士郑礼龙重伤，李斯瀚、徐方能轻伤。搏斗中，行凶男子亦重伤。", "realCount": 1}