怎么了，大家怎么都不开心？
工友们围成一圈，愁眉苦脸。[{'character': '工', 'pinyin': 'gong1', 'highest pitch': 10.0, 'lowest pitch': 9.68, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '友', 'pinyin': 'iou3', 'highest pitch': 9.68, 'lowest pitch': 6.47, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '们', 'pinyin': 'men5', 'highest pitch': 7.09, 'lowest pitch': 6.44, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '围', 'pinyin': 'uei2', 'highest pitch': 10.16, 'lowest pitch': 7.09, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '成', 'pinyin': 'cheng2', 'highest pitch': 9.69, 'lowest pitch': 8.01, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 9.45, 'lowest pitch': 6.6, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '圈', 'pinyin': 'qvan1', 'highest pitch': 10.32, 'lowest pitch': 6.6, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '愁', 'pinyin': 'chou2', 'highest pitch': 9.43, 'lowest pitch': 7.98, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '眉', 'pinyin': 'mei2', 'highest pitch': 9.77, 'lowest pitch': 8.74, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '苦', 'pinyin': 'ku2', 'highest pitch': 13.96, 'lowest pitch': 7.21, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '脸', 'pinyin': 'lian3', 'highest pitch': 8.19, 'lowest pitch': 4.03, 'duration': 0.29, 'prosody hierarchy': '#4'}]