《资治通鉴·唐纪·唐纪六十九》
泰宁节度使李系是李晟的曾孙，能说会道，而实际上无勇无谋，王铎以为他一家世代出良将，上奏请任李系为行营副都统兼湖面南观察使，让他率领精兵五万加上土团屯于潭州，用以堵塞南岭以北的道路，以抗拒黄巢军的北进。
泰宁节度使李系，晟之曾孙也，有口才而实无勇略，王鐸以其家世良将，奏为行营副将统兼湖南观察使，使将精兵五万并土团屯潭州，以塞岭北之路，拒黄巢。
Li Xi, the military commander of Taining, was Li Sheng's great-grandson. He was eloquent but actually cowardly and incompetent. Wang Duo, who thought that his family had produced good generals for generations, submitted a memorial, asking Li Xi to be appointed as the deputy chief pacification officer of the expedition command center and the supervising envoy of the southern area of the lake. He led 50,000 elite soldiers and some local troops to station in Tanzhou, blocking the roads north of Nanling to resist Huang Chao's northward advance.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 泰宁节度使李系，晟之曾孙也，有口才而实无勇略，王鐸以其家世良将，奏为行营副将统兼湖南观察使，使将精兵五万并土团屯潭州，以塞岭北之路，拒黄巢。 [/INST] Li Xi, the military commander of Taining, was Li Sheng's great-grandson. He was eloquent but actually cowardly and incompetent. Wang Duo, who thought that his family had produced good generals for generations, submitted a memorial, asking Li Xi to be appointed as the deputy chief pacification officer of the expedition command center and the supervising envoy of the southern area of the lake. He led 50,000 elite soldiers and some local troops to station in Tanzhou, blocking the roads north of Nanling to resist Huang Chao's northward advance.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 泰宁节度使李系，晟之曾孙也，有口才而实无勇略，王鐸以其家世良将，奏为行营副将统兼湖南观察使，使将精兵五万并土团屯潭州，以塞岭北之路，拒黄巢。
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Li Xi, the military commander of Taining, was Li Sheng's great-grandson. He was eloquent but actually cowardly and incompetent. Wang Duo, who thought that his family had produced good generals for generations, submitted a memorial, asking Li Xi to be appointed as the deputy chief pacification officer of the expedition command center and the supervising envoy of the southern area of the lake. He led 50,000 elite soldiers and some local troops to station in Tanzhou, blocking the roads north of Nanling to resist Huang Chao's northward advance.
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