《新唐书·列传·卷一百四十九》
孙儒攻城未下，担心秦彦、毕师铎会有异心，渐渐收并其兵。
儒攻城未得志，虑彦、师鐸有异谋，稍并其兵。
Sun Ru failed to capture the city, and he worried that Qin Yan and Bi Shiduo would turn against him. He gradually took over their troops.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 儒攻城未得志，虑彦、师鐸有异谋，稍并其兵。 [/INST] Sun Ru failed to capture the city, and he worried that Qin Yan and Bi Shiduo would turn against him. He gradually took over their troops.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 儒攻城未得志，虑彦、师鐸有异谋，稍并其兵。
user
Sun Ru failed to capture the city, and he worried that Qin Yan and Bi Shiduo would turn against him. He gradually took over their troops.
assistant