《百战奇略·第六卷·佚战》
可是，王翦到了与楚军对阵的地方，却坚壁守营，不肯交战。
王翦至，坚壁而守之，不肯战。
However, when Wang Jian arrived at the place where he would confront the Chu army, he stuck to his fortified camp and refused to engage in battle.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 王翦至，坚壁而守之，不肯战。 [/INST] However, when Wang Jian arrived at the place where he would confront the Chu army, he stuck to his fortified camp and refused to engage in battle.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 王翦至，坚壁而守之，不肯战。
user
However, when Wang Jian arrived at the place where he would confront the Chu army, he stuck to his fortified camp and refused to engage in battle.
assistant