怒而挠之 (怒而撓之) nù ér náo zhī

nù ér náo zhī phrase if [your enemy] is is prone to anger, irritate him
Domain: Literary Chinese 文言文
Notes: Quote: from the Warring States period text 孫子兵法 “Art of War” by Sunzi, section 1 (Amies 2021 tr.; see also tr. by Giles 1910, p. 6)