是的，我们确实付出了很高的代价。
这个教训是极为惨痛的。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 11.52, 'lowest pitch': 10.42, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '个', 'pinyin': 'ge5', 'highest pitch': 10.48, 'lowest pitch': 9.58, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '教', 'pinyin': 'jiao4', 'highest pitch': 9.77, 'lowest pitch': 8.37, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '训', 'pinyin': 'xvn4', 'highest pitch': 8.76, 'lowest pitch': 7.72, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 8.5, 'lowest pitch': 6.94, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '极', 'pinyin': 'ji2', 'highest pitch': 9.96, 'lowest pitch': 6.94, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 10.83, 'lowest pitch': 9.83, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '惨', 'pinyin': 'can3', 'highest pitch': 10.79, 'lowest pitch': 5.4, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '痛', 'pinyin': 'tong4', 'highest pitch': 10.31, 'lowest pitch': 5.54, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.73, 'lowest pitch': 5.49, 'duration': 0.18, 'prosody hierarchy': '#4'}]