我们需要反思这次的错误。
虽然偶然，但教训必须吸取。[{'character': '虽', 'pinyin': 'suei1', 'highest pitch': 11.03, 'lowest pitch': 9.87, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 10.19, 'lowest pitch': 9.4, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '偶', 'pinyin': 'ou3', 'highest pitch': 8.01, 'lowest pitch': 5.6, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 10.19, 'lowest pitch': 5.6, 'duration': 0.32, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.08}, {'character': '但', 'pinyin': 'dan4', 'highest pitch': 10.14, 'lowest pitch': 9.35, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '教', 'pinyin': 'jiao4', 'highest pitch': 11.32, 'lowest pitch': 9.31, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '训', 'pinyin': 'xvn4', 'highest pitch': 8.33, 'lowest pitch': 6.36, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '必', 'pinyin': 'bi4', 'highest pitch': 8.61, 'lowest pitch': 6.61, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '须', 'pinyin': 'xv1', 'highest pitch': 8.26, 'lowest pitch': 6.61, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '吸', 'pinyin': 'xi1', 'highest pitch': 9.82, 'lowest pitch': 8.2, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '取', 'pinyin': 'qv3', 'highest pitch': 5.78, 'lowest pitch': 3.17, 'duration': 0.36, 'prosody hierarchy': '#4'}]