也许是因为他们想要证明自己的勇气。
仔细考究一下，懦弱的士兵为什么要充好汉呢？[{'character': '仔', 'pinyin': 'zii3', 'highest pitch': 8.59, 'lowest pitch': 8.22, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '细', 'pinyin': 'xi4', 'highest pitch': 10.49, 'lowest pitch': 9.65, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '考', 'pinyin': 'kao3', 'highest pitch': 9.11, 'lowest pitch': 6.17, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '究', 'pinyin': 'jiou1', 'highest pitch': 11.11, 'lowest pitch': 6.32, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 10.4, 'lowest pitch': 7.35, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 9.08, 'lowest pitch': 7.04, 'duration': 0.29, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.3}, {'character': '懦', 'pinyin': 'nuo4', 'highest pitch': 11.51, 'lowest pitch': 9.45, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '弱', 'pinyin': 'ruo4', 'highest pitch': 10.0, 'lowest pitch': 8.44, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.44, 'lowest pitch': 7.57, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '士', 'pinyin': 'shiii4', 'highest pitch': 8.9, 'lowest pitch': 6.97, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '兵', 'pinyin': 'bing1', 'highest pitch': 9.71, 'lowest pitch': 6.97, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '为', 'pinyin': 'uei4', 'highest pitch': 11.42, 'lowest pitch': 9.5, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '什', 'pinyin': 'shen2', 'highest pitch': 9.5, 'lowest pitch': 6.34, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '么', 'pinyin': 'me5', 'highest pitch': 8.74, 'lowest pitch': 6.66, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 8.74, 'lowest pitch': 7.39, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '充', 'pinyin': 'chong1', 'highest pitch': 9.91, 'lowest pitch': 7.39, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '好', 'pinyin': 'hao3', 'highest pitch': 9.91, 'lowest pitch': 5.7, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '汉', 'pinyin': 'han4', 'highest pitch': 9.83, 'lowest pitch': 6.16, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '呢', 'pinyin': 'ne5', 'highest pitch': 8.22, 'lowest pitch': 6.89, 'duration': 0.23, 'prosody hierarchy': '#4'}]