我们需要掌握的关键是什么？
重要的是果敢挑战、灵活应对。[{'character': '重', 'pinyin': 'zhong4', 'highest pitch': 11.11, 'lowest pitch': 10.17, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 10.17, 'lowest pitch': 7.54, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.36, 'lowest pitch': 7.46, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 10.5, 'lowest pitch': 7.28, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'character': '果', 'pinyin': 'guo2', 'highest pitch': 10.3, 'lowest pitch': 7.85, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '敢', 'pinyin': 'gan2', 'highest pitch': 10.78, 'lowest pitch': 9.35, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '挑', 'pinyin': 'tiao3', 'highest pitch': 10.78, 'lowest pitch': 4.17, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '战', 'pinyin': 'zhan4', 'highest pitch': 10.0, 'lowest pitch': 8.32, 'duration': 0.23, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.04}, {'character': '灵', 'pinyin': 'ling2', 'highest pitch': 7.72, 'lowest pitch': 6.25, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '活', 'pinyin': 'huo2', 'highest pitch': 8.15, 'lowest pitch': 6.35, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '应', 'pinyin': 'ing4', 'highest pitch': 10.52, 'lowest pitch': 8.15, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '对', 'pinyin': 'duei4', 'highest pitch': 14.26, 'lowest pitch': 5.64, 'duration': 0.25, 'prosody hierarchy': '#4'}]