避实击虚 (避實擊虛) bì shí jī xū

bì shí jī xū set phrase avoid what is strong and to strike at what is weak
Domain: Idiom 成语
Notes: Quote: from the Warring States period text 孫子兵法 “Art of War” by Sunzi, section 6 (tr. by Giles 1910, p. 53; Guoyu '避實擊虛')