《北史·列传·卷四十八》
王世充利用晚上攻打仓城，李密坚守，将敌人打败，杀死武贲郎将费青奴。
世充夜袭仓城，密拒破之，斩武贲郎将费青奴。
Wang Shichong took advantage of the night to attack Cangcheng, but Li Mi put up a fierce defence, defeating the enemy and killing Fei Qingnu, the leader of the military guards.
<s>[INST] Translate the following Classical Chinese text into English: 世充夜袭仓城，密拒破之，斩武贲郎将费青奴。 [/INST] Wang Shichong took advantage of the night to attack Cangcheng, but Li Mi put up a fierce defence, defeating the enemy and killing Fei Qingnu, the leader of the military guards.</s>
Translate the following Classical Chinese text into English: 世充夜袭仓城，密拒破之，斩武贲郎将费青奴。
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Wang Shichong took advantage of the night to attack Cangcheng, but Li Mi put up a fierce defence, defeating the enemy and killing Fei Qingnu, the leader of the military guards.
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