要是跑太快了，会怎么样？
要是腿软了，都会栽下来。[{'character': '要', 'pinyin': 'iao4', 'highest pitch': 10.04, 'lowest pitch': 9.35, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 8.98, 'lowest pitch': 8.35, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '腿', 'pinyin': 'tuei2', 'highest pitch': 10.71, 'lowest pitch': 7.88, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '软', 'pinyin': 'ruan3', 'highest pitch': 10.77, 'lowest pitch': 4.43, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 6.56, 'lowest pitch': 4.74, 'duration': 0.19, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '都', 'pinyin': 'dou1', 'highest pitch': 7.85, 'lowest pitch': 7.19, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '会', 'pinyin': 'huei4', 'highest pitch': 8.56, 'lowest pitch': 5.99, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '栽', 'pinyin': 'zai1', 'highest pitch': 11.04, 'lowest pitch': 9.83, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 11.42, 'lowest pitch': 8.31, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai5', 'highest pitch': 8.31, 'lowest pitch': 4.48, 'duration': 0.27, 'prosody hierarchy': '#4'}]