bīng lái jiàng dí , shuǐ lái tǔ yàn 
		counter soldiers with arms, water with an earth weir (idiom); different situations call for different action
adopt measures appropriate to the actual situation
		 
		
		
														
		
		
			 
		
				
		
			bīng lái jiàng dí , shuǐ lái tǔ yàn 
		counter soldiers with arms, water with an earth weir (idiom); different situations call for different action
to adopt measures appropriate to the actual situation