敌若有备 (敵若有備) dí ruò yǒu bèi

dí ruò yǒu bèi phrase if the enemy is prepared
Domain: Literary Chinese 文言文
Notes: Quote: from the Warring States period text 孫子兵法 “Art of War” by Sunzi, section 10 (Amies 2021 tr.; see also tr. by Giles 1910, p. 102)