为了他们的安全起见。
这些聋哑人只有乖乖就范。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 10.71, 'lowest pitch': 9.5, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '些', 'pinyin': 'xie1', 'highest pitch': 10.09, 'lowest pitch': 9.83, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '聋', 'pinyin': 'long2', 'highest pitch': 10.77, 'lowest pitch': 7.94, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '哑', 'pinyin': 'ia3', 'highest pitch': 10.95, 'lowest pitch': 5.74, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 7.29, 'lowest pitch': 5.61, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '只', 'pinyin': 'zhiii2', 'highest pitch': 7.22, 'lowest pitch': 7.03, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 7.43, 'lowest pitch': 5.26, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '乖', 'pinyin': 'guai1', 'highest pitch': 9.11, 'lowest pitch': 8.03, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '乖', 'pinyin': 'guai1', 'highest pitch': 9.11, 'lowest pitch': 8.67, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 9.47, 'lowest pitch': 7.19, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '范', 'pinyin': 'fan4', 'highest pitch': 9.95, 'lowest pitch': 6.76, 'duration': 0.35, 'prosody hierarchy': '#4'}]