zhī dāng fǎng bì 
		if it's weaving, ask the maid (idiom); when managing a matter, consult the appropriate specialist
		 
		
		
														
		
		
			 
		
				
		
			gēng dāng wèn nú , zhī dāng fǎng bì 
		if it's plowing ask the laborer, if it's weaving ask the maid (idiom); when managing a matter, consult the appropriate specialist
		 
		
		
														
		
		
			 
		
				
		
			gēng dāng wèn nú , zhī dāng fǎng bì 
		if it's plowing ask the laborer, if it's weaving ask the maid (idiom); when managing a matter, consult the appropriate specialist