{"groundTruth": ["千钧一发"], "candidates": [["口若悬河", "千钧一发", "别具匠心", "眼明手快", "生死存亡", "挖空心思", "危在旦夕"]], "content": "流氓见上来的是个干瘪的老头，不放在眼里，毫无防备。哪知司徒老师猛地一个箭步，来个“虎扑龙缠”，从背后将流氓拦腰紧紧抱住，随即展开鹰爪死死拽住拿刀的手。在此#idiom#之时，司徒老师发出了命令：“上！”", "realCount": 1}