"这道数学题太难了，我完全不知道怎么做。"
张信哲看到数学题就傻眼张嘴，只好向小朋友求救。[{'character': '张', 'pinyin': 'zhang1', 'highest pitch': 10.88, 'lowest pitch': 10.07, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '信', 'pinyin': 'xin4', 'highest pitch': 10.67, 'lowest pitch': 7.66, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '哲', 'pinyin': 'zhe2', 'highest pitch': 8.12, 'lowest pitch': 6.99, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '看', 'pinyin': 'kan4', 'highest pitch': 10.42, 'lowest pitch': 9.01, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 9.3, 'lowest pitch': 8.47, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '数', 'pinyin': 'shu4', 'highest pitch': 11.09, 'lowest pitch': 8.55, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '学', 'pinyin': 'xve2', 'highest pitch': 9.2, 'lowest pitch': 6.64, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '题', 'pinyin': 'ti2', 'highest pitch': 7.28, 'lowest pitch': 6.39, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 8.98, 'lowest pitch': 7.04, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '傻', 'pinyin': 'sha2', 'highest pitch': 9.19, 'lowest pitch': 6.39, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '眼', 'pinyin': 'ian3', 'highest pitch': 9.19, 'lowest pitch': 5.6, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '张', 'pinyin': 'zhang1', 'highest pitch': 10.88, 'lowest pitch': 8.75, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '嘴', 'pinyin': 'zuei3', 'highest pitch': 8.32, 'lowest pitch': 4.56, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.23}, {'character': '只', 'pinyin': 'zhiii2', 'highest pitch': 8.24, 'lowest pitch': 7.74, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '好', 'pinyin': 'hao3', 'highest pitch': 8.3, 'lowest pitch': 6.59, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '向', 'pinyin': 'xiang4', 'highest pitch': 9.07, 'lowest pitch': 7.58, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '小', 'pinyin': 'xiao3', 'highest pitch': 7.58, 'lowest pitch': 4.49, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '朋', 'pinyin': 'peng2', 'highest pitch': 7.58, 'lowest pitch': 5.95, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '友', 'pinyin': 'iou5', 'highest pitch': 10.45, 'lowest pitch': 7.58, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '求', 'pinyin': 'qiou2', 'highest pitch': 9.07, 'lowest pitch': 5.6, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '救', 'pinyin': 'jiou4', 'highest pitch': 8.98, 'lowest pitch': 5.52, 'duration': 0.3, 'prosody hierarchy': '#4'}]