"我已经尽力了。"
这些努力能否取得预期的效果目前尚不得而知。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 11.69, 'lowest pitch': 11.2, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '些', 'pinyin': 'xie1', 'highest pitch': 10.85, 'lowest pitch': 10.43, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '努', 'pinyin': 'nu3', 'highest pitch': 10.43, 'lowest pitch': 6.75, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '力', 'pinyin': 'li4', 'highest pitch': 8.46, 'lowest pitch': 6.78, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '能', 'pinyin': 'neng2', 'highest pitch': 7.76, 'lowest pitch': 7.1, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '否', 'pinyin': 'fou2', 'highest pitch': 8.65, 'lowest pitch': 7.72, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '取', 'pinyin': 'qv3', 'highest pitch': 8.2, 'lowest pitch': 4.85, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'de2', 'highest pitch': 6.26, 'lowest pitch': 5.32, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '预', 'pinyin': 'v4', 'highest pitch': 9.05, 'lowest pitch': 6.23, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '期', 'pinyin': 'qi1', 'highest pitch': 9.65, 'lowest pitch': 9.48, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 10.16, 'lowest pitch': 9.25, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '效', 'pinyin': 'xiao4', 'highest pitch': 10.63, 'lowest pitch': 7.75, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '果', 'pinyin': 'guo3', 'highest pitch': 6.89, 'lowest pitch': 4.17, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '目', 'pinyin': 'mu4', 'highest pitch': 7.19, 'lowest pitch': 6.1, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '前', 'pinyin': 'qian2', 'highest pitch': 6.83, 'lowest pitch': 5.28, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '尚', 'pinyin': 'shang4', 'highest pitch': 9.24, 'lowest pitch': 7.1, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '不', 'pinyin': 'bu4', 'highest pitch': 6.96, 'lowest pitch': 6.37, 'duration': 0.09, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'de2', 'highest pitch': 6.26, 'lowest pitch': 5.81, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '而', 'pinyin': 'er2', 'highest pitch': 6.31, 'lowest pitch': 6.02, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '知', 'pinyin': 'zhiii1', 'highest pitch': 8.43, 'lowest pitch': 8.13, 'duration': 0.26, 'prosody hierarchy': '#4'}]