兵来将敌，水来土堰 (兵來將敵，水來土堰) bīng lái jiāng dí, shuǐ lái tǔ yàn

bīng lái jiāng dí, shuǐ lái tǔ yàn phrase counter soldiers with arms, water with an earth weir; different situations call for different action
Domain: Proverb 谚语
Notes: (CC-CEDICT '兵來將敵，水來土堰')