《百战奇略·第二卷·强战》
李牧推称有病，闭门不出。
牧称疾，杜门不出。
Li Mu claimed to be ill and refused to go out.
<s>[INST] Kindly elucidate the central themes in this passage in English: 牧称疾，杜门不出。 [/INST] Li Mu claimed to be ill and refused to go out.</s>
Kindly elucidate the central themes in this passage in English: 牧称疾，杜门不出。
user
Li Mu claimed to be ill and refused to go out.
assistant