这把刀是你刚才用来削水果的吗？
这几年行动不便，爷爷拿着它当拐杖用。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 10.1, 'lowest pitch': 8.18, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '几', 'pinyin': 'ji3', 'highest pitch': 8.18, 'lowest pitch': 6.89, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 8.41, 'lowest pitch': 6.45, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '行', 'pinyin': 'xing2', 'highest pitch': 8.41, 'lowest pitch': 6.54, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '动', 'pinyin': 'dong4', 'highest pitch': 10.17, 'lowest pitch': 7.45, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '不', 'pinyin': 'bu2', 'highest pitch': 7.83, 'lowest pitch': 6.98, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '便', 'pinyin': 'bian4', 'highest pitch': 10.42, 'lowest pitch': 6.2, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.27}, {'character': '爷', 'pinyin': 'ie2', 'highest pitch': 7.02, 'lowest pitch': 6.35, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '爷', 'pinyin': 'ie5', 'highest pitch': 8.05, 'lowest pitch': 6.58, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '拿', 'pinyin': 'na2', 'highest pitch': 7.26, 'lowest pitch': 5.98, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '着', 'pinyin': 'zhe5', 'highest pitch': 7.86, 'lowest pitch': 6.35, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '它', 'pinyin': 'ta1', 'highest pitch': 8.71, 'lowest pitch': 7.0, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '当', 'pinyin': 'dang1', 'highest pitch': 9.77, 'lowest pitch': 9.15, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '拐', 'pinyin': 'guai3', 'highest pitch': 9.35, 'lowest pitch': 4.98, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '杖', 'pinyin': 'zhang4', 'highest pitch': 10.75, 'lowest pitch': 4.98, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.69, 'lowest pitch': 5.81, 'duration': 0.27, 'prosody hierarchy': '#4'}]