这可不能怪你，材料还是要有备用的。
铁匠在给战马钉掌时，因缺少几颗钉子，有一只马掌没有钉牢。[{'character': '铁', 'pinyin': 'tie3', 'highest pitch': 9.0, 'lowest pitch': 6.98, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '匠', 'pinyin': 'jiang4', 'highest pitch': 10.86, 'lowest pitch': 6.98, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 9.39, 'lowest pitch': 7.47, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '给', 'pinyin': 'gei3', 'highest pitch': 7.1, 'lowest pitch': 5.17, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '战', 'pinyin': 'zhan4', 'highest pitch': 9.9, 'lowest pitch': 8.01, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '马', 'pinyin': 'ma3', 'highest pitch': 8.01, 'lowest pitch': 5.03, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '钉', 'pinyin': 'ding4', 'highest pitch': 10.55, 'lowest pitch': 9.07, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '掌', 'pinyin': 'zhang3', 'highest pitch': 8.88, 'lowest pitch': 3.67, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 6.73, 'lowest pitch': 6.11, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.34}, {'character': '因', 'pinyin': 'in1', 'highest pitch': 8.23, 'lowest pitch': 8.01, 'duration': 0.2, 'prosody hierarchy': '#2'}, {'character': '缺', 'pinyin': 'qve1', 'highest pitch': 9.88, 'lowest pitch': 8.08, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '少', 'pinyin': 'shao2', 'highest pitch': 9.17, 'lowest pitch': 7.43, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '几', 'pinyin': 'ji3', 'highest pitch': 6.88, 'lowest pitch': 5.38, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '颗', 'pinyin': 'ke1', 'highest pitch': 8.73, 'lowest pitch': 7.91, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '钉', 'pinyin': 'ding1', 'highest pitch': 10.86, 'lowest pitch': 9.46, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '子', 'pinyin': 'zii5', 'highest pitch': 14.05, 'lowest pitch': 7.12, 'duration': 0.2, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.4}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 9.82, 'lowest pitch': 8.1, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 10.56, 'lowest pitch': 9.64, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '只', 'pinyin': 'zhiii1', 'highest pitch': 10.87, 'lowest pitch': 9.64, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '马', 'pinyin': 'ma2', 'highest pitch': 10.61, 'lowest pitch': 7.95, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '掌', 'pinyin': 'zhang3', 'highest pitch': 8.88, 'lowest pitch': 4.68, 'duration': 0.35, 'prosody hierarchy': '#2'}, {'character': '没', 'pinyin': 'mei2', 'highest pitch': 9.79, 'lowest pitch': 7.43, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 9.82, 'lowest pitch': 7.4, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '钉', 'pinyin': 'ding4', 'highest pitch': 10.55, 'lowest pitch': 6.89, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '牢', 'pinyin': 'lao2', 'highest pitch': 8.66, 'lowest pitch': 5.91, 'duration': 0.34, 'prosody hierarchy': '#4'}]