他们已经很疲惫了。
他们的体力还能经得起多少次折腾呢？[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 10.98, 'lowest pitch': 10.29, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '们', 'pinyin': 'men5', 'highest pitch': 10.98, 'lowest pitch': 9.53, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 10.05, 'lowest pitch': 7.87, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '体', 'pinyin': 'ti3', 'highest pitch': 7.87, 'lowest pitch': 5.88, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '力', 'pinyin': 'li4', 'highest pitch': 7.79, 'lowest pitch': 5.88, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '还', 'pinyin': 'hai2', 'highest pitch': 7.1, 'lowest pitch': 6.8, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '能', 'pinyin': 'neng2', 'highest pitch': 7.41, 'lowest pitch': 6.86, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '经', 'pinyin': 'jing1', 'highest pitch': 8.33, 'lowest pitch': 7.27, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'de5', 'highest pitch': 10.05, 'lowest pitch': 7.22, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '起', 'pinyin': 'qi3', 'highest pitch': 7.22, 'lowest pitch': 5.58, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 9.99, 'lowest pitch': 7.23, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '少', 'pinyin': 'shao3', 'highest pitch': 9.66, 'lowest pitch': 5.54, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 6.96, 'lowest pitch': 5.74, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '折', 'pinyin': 'zhe1', 'highest pitch': 7.86, 'lowest pitch': 5.74, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '腾', 'pinyin': 'teng5', 'highest pitch': 8.45, 'lowest pitch': 6.53, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '呢', 'pinyin': 'ne5', 'highest pitch': 6.6, 'lowest pitch': 5.78, 'duration': 0.25, 'prosody hierarchy': '#4'}]