Traduction :
to besiege and strike the relief force (idiom); strategy of surrounding a unit to entice the enemy to reinforce, then striking the new troops
Référence :
指一种战术。进攻的一方以部分兵力包围据守城镇之敌，诱使敌人从其他地方派兵援救，然后以事先部署好的主力部队歼灭敌人的援军。
Annotation :
围城打援1
1. wéichéngdǎyuán :
[EN] to besiege and strike the relief force (idiom); strategy of surrounding a unit to entice the enemy to reinforce, then striking the new troops
