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歹徒拉着枪栓，用枪指着工作人员骂。[{'character': '歹', 'pinyin': 'dai3', 'highest pitch': 8.75, 'lowest pitch': 7.16, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '徒', 'pinyin': 'tu2', 'highest pitch': 8.29, 'lowest pitch': 7.79, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '拉', 'pinyin': 'la1', 'highest pitch': 10.04, 'lowest pitch': 8.21, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '着', 'pinyin': 'zhe5', 'highest pitch': 9.43, 'lowest pitch': 7.99, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '枪', 'pinyin': 'qiang1', 'highest pitch': 10.61, 'lowest pitch': 8.93, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '栓', 'pinyin': 'shuan1', 'highest pitch': 10.23, 'lowest pitch': 9.39, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.09}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.97, 'lowest pitch': 8.24, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '枪', 'pinyin': 'qiang1', 'highest pitch': 10.61, 'lowest pitch': 8.24, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '指', 'pinyin': 'zhiii3', 'highest pitch': 8.63, 'lowest pitch': 5.89, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '着', 'pinyin': 'zhe5', 'highest pitch': 9.43, 'lowest pitch': 5.84, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '工', 'pinyin': 'gong1', 'highest pitch': 9.28, 'lowest pitch': 5.84, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '作', 'pinyin': 'zuo4', 'highest pitch': 9.72, 'lowest pitch': 7.45, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 8.12, 'lowest pitch': 6.75, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '员', 'pinyin': 'van2', 'highest pitch': 8.18, 'lowest pitch': 6.41, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '骂', 'pinyin': 'ma4', 'highest pitch': 9.58, 'lowest pitch': 7.37, 'duration': 0.34, 'prosody hierarchy': '#4'}]