《南史·列传·卷十八》
后来因为围困郂城不能攻下，退军到历下，为江夏王刘义恭所举奏而免官。
后爲围碻磝城不拔，退师历下，爲江夏王义恭所奏免官。
Later, having failed to take the besieged city of Zhaocheng, he withdrew his army to Lixia, and was removed from office after a denunciation by Liu Yigong, King of Jiangxia.
<s>[INST] Kindly elucidate the central themes in this passage in English: 后爲围碻磝城不拔，退师历下，爲江夏王义恭所奏免官。 [/INST] Later, having failed to take the besieged city of Zhaocheng, he withdrew his army to Lixia, and was removed from office after a denunciation by Liu Yigong, King of Jiangxia.</s>
Kindly elucidate the central themes in this passage in English: 后爲围碻磝城不拔，退师历下，爲江夏王义恭所奏免官。
user
Later, having failed to take the besieged city of Zhaocheng, he withdrew his army to Lixia, and was removed from office after a denunciation by Liu Yigong, King of Jiangxia.
assistant