不得已则斗 (不得已則鬥) bù dé yǐ zé dòu

bù dé yǐ zé dòu phrase no choice other than to fight
Domain: Literary Chinese 文言文
Notes: Quote: from the Warring States period text 孫子兵法 “Art of War” by Sunzi, section 11 (Amies 2021 tr.; see also tr. by Giles 1910, p. 125)