这位老人真是认真细致。
老人扫起街来一丝不苟。[{'character': '老', 'pinyin': 'lao3', 'highest pitch': 8.99, 'lowest pitch': 7.66, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 9.89, 'lowest pitch': 7.72, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '扫', 'pinyin': 'sao2', 'highest pitch': 10.65, 'lowest pitch': 8.36, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '起', 'pinyin': 'qi3', 'highest pitch': 8.42, 'lowest pitch': 5.6, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '街', 'pinyin': 'jie1', 'highest pitch': 9.95, 'lowest pitch': 8.66, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 9.8, 'lowest pitch': 7.21, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 9.5, 'lowest pitch': 7.68, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '丝', 'pinyin': 'sii1', 'highest pitch': 9.55, 'lowest pitch': 7.68, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 10.89, 'lowest pitch': 9.14, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '苟', 'pinyin': 'gou3', 'highest pitch': 5.03, 'lowest pitch': 4.5, 'duration': 0.35, 'prosody hierarchy': '#4'}]