学而时习之，不亦说乎？
听孔子，也要听一半。[{'character': '听', 'pinyin': 'ting1', 'highest pitch': 10.89, 'lowest pitch': 10.47, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '孔', 'pinyin': 'kong2', 'highest pitch': 10.97, 'lowest pitch': 7.8, 'duration': 0.33, 'prosody hierarchy': 'null'}, {'character': '子', 'pinyin': 'zii3', 'highest pitch': 10.97, 'lowest pitch': 6.35, 'duration': 0.34, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '也', 'pinyin': 'ie3', 'highest pitch': 7.81, 'lowest pitch': 6.07, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 6.98, 'lowest pitch': 6.32, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '听', 'pinyin': 'ting1', 'highest pitch': 10.89, 'lowest pitch': 8.77, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 8.77, 'lowest pitch': 7.28, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '半', 'pinyin': 'ban4', 'highest pitch': 10.81, 'lowest pitch': 6.89, 'duration': 0.28, 'prosody hierarchy': '#4'}]