《资治通鉴·唐纪·唐纪六十六》
岭南西道节度副使李行素率领部众开挖壕沟，修筑栅栏，正好修治完毕，南诏蛮军已将邕州城团团围住。
节度副使李行素帅众治壕栅，甫毕，蛮军已合围。
Li XingSu, deputy envoy of the western Lingnan circuit, led his men to dig trenches and build fences. When he had just finished, the Nanzhao barbarians had already surrounded Yongzhou city.
<s>[INST] Translate the following Classical Chinese text into English: 节度副使李行素帅众治壕栅，甫毕，蛮军已合围。 [/INST] Li XingSu, deputy envoy of the western Lingnan circuit, led his men to dig trenches and build fences. When he had just finished, the Nanzhao barbarians had already surrounded Yongzhou city.</s>
Translate the following Classical Chinese text into English: 节度副使李行素帅众治壕栅，甫毕，蛮军已合围。
user
Li XingSu, deputy envoy of the western Lingnan circuit, led his men to dig trenches and build fences. When he had just finished, the Nanzhao barbarians had already surrounded Yongzhou city.
assistant