是啊，他总是专注于学习。
你看他上课，多认真哪！[{'character': '你', 'pinyin': 'ni3', 'highest pitch': 7.85, 'lowest pitch': 6.88, 'duration': 0.1, 'prosody hierarchy': 'null'}, {'character': '看', 'pinyin': 'kan4', 'highest pitch': 9.49, 'lowest pitch': 6.71, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '他', 'pinyin': 'ta1', 'highest pitch': 9.7, 'lowest pitch': 8.89, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 10.46, 'lowest pitch': 8.11, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '课', 'pinyin': 'ke4', 'highest pitch': 9.58, 'lowest pitch': 7.43, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 11.45, 'lowest pitch': 9.89, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '认', 'pinyin': 'ren4', 'highest pitch': 11.57, 'lowest pitch': 8.42, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '真', 'pinyin': 'zhen1', 'highest pitch': 8.56, 'lowest pitch': 7.34, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '哪', 'pinyin': 'na5', 'highest pitch': 7.58, 'lowest pitch': 5.77, 'duration': 0.3, 'prosody hierarchy': '#4'}]