避ㄅㄧˋbì其ㄑㄧˊqí銳ㄖㄨㄟˋruì氣ㄑㄧˋqì，擊ㄐㄧˊjí其ㄑㄧˊqí惰ㄉㄨㄛˋduò歸ㄍㄨㄟguī

  1. 避開敵軍初征時的旺盛鬥志，待其鬆懈返回時再予攻擊。《孫子·軍爭》：「故善用兵者，避其銳氣，擊其惰歸。此治氣者也。」

英avoid the enemy when he is fresh and strike him when he is tired and withdraws (idiom)​