他经历了很多困境，但一直坚持不放弃。
他彷徨徘徊过，但从未颓废绝望过。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 9.87, 'lowest pitch': 9.61, 'duration': 0.29, 'prosody hierarchy': '#1'}, {'character': '彷', 'pinyin': 'pang2', 'highest pitch': 10.2, 'lowest pitch': 7.98, 'duration': 0.33, 'prosody hierarchy': 'null'}, {'character': '徨', 'pinyin': 'huang2', 'highest pitch': 9.6, 'lowest pitch': 7.33, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '徘', 'pinyin': 'pai2', 'highest pitch': 11.03, 'lowest pitch': 7.34, 'duration': 0.31, 'prosody hierarchy': 'null'}, {'character': '徊', 'pinyin': 'huai2', 'highest pitch': 10.95, 'lowest pitch': 6.62, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '过', 'pinyin': 'guo4', 'highest pitch': 8.68, 'lowest pitch': 6.02, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.26}, {'character': '但', 'pinyin': 'dan4', 'highest pitch': 8.93, 'lowest pitch': 7.76, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '从', 'pinyin': 'cong2', 'highest pitch': 9.96, 'lowest pitch': 7.06, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '未', 'pinyin': 'uei4', 'highest pitch': 11.36, 'lowest pitch': 8.04, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '颓', 'pinyin': 'tuei2', 'highest pitch': 8.13, 'lowest pitch': 6.56, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '废', 'pinyin': 'fei4', 'highest pitch': 9.6, 'lowest pitch': 6.81, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '绝', 'pinyin': 'jve2', 'highest pitch': 7.35, 'lowest pitch': 6.13, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '望', 'pinyin': 'uang4', 'highest pitch': 10.48, 'lowest pitch': 7.35, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '过', 'pinyin': 'guo4', 'highest pitch': 8.68, 'lowest pitch': 5.72, 'duration': 0.29, 'prosody hierarchy': '#4'}]