警察是为了保护我们的安全和维护秩序。
可是，我现场要求警察回避，他不肯走。[{'character': '可', 'pinyin': 'ke3', 'highest pitch': 8.99, 'lowest pitch': 8.04, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 9.6, 'lowest pitch': 8.27, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.19}, {'character': '我', 'pinyin': 'uo3', 'highest pitch': 8.59, 'lowest pitch': 7.71, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '现', 'pinyin': 'xian4', 'highest pitch': 11.09, 'lowest pitch': 7.82, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '场', 'pinyin': 'chang3', 'highest pitch': 10.04, 'lowest pitch': 6.77, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '要', 'pinyin': 'iao1', 'highest pitch': 8.63, 'lowest pitch': 7.3, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '求', 'pinyin': 'qiou2', 'highest pitch': 8.63, 'lowest pitch': 7.02, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '警', 'pinyin': 'jing3', 'highest pitch': 8.34, 'lowest pitch': 5.0, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '察', 'pinyin': 'cha2', 'highest pitch': 8.38, 'lowest pitch': 5.45, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '回', 'pinyin': 'huei2', 'highest pitch': 7.85, 'lowest pitch': 5.84, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '避', 'pinyin': 'bi4', 'highest pitch': 9.68, 'lowest pitch': 7.33, 'duration': 0.2, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '他', 'pinyin': 'ta1', 'highest pitch': 8.95, 'lowest pitch': 8.69, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 9.9, 'lowest pitch': 7.63, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '肯', 'pinyin': 'ken2', 'highest pitch': 9.77, 'lowest pitch': 7.63, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '走', 'pinyin': 'zou3', 'highest pitch': 9.07, 'lowest pitch': 4.23, 'duration': 0.35, 'prosody hierarchy': '#4'}]