Zǎi Yǔ 
		Zai Yu (522-458 BC), disciple of Confucius
		 
		
		
														
		
		
			 
		
				
		
			Zǎi Yǔ zhòu qǐn 
		Zai Yu sleeps by day (idiom); refers to story in Analects of Confucius remonstrating bitterly with his student for sleeping during lectures
		 
		
		
														
		
		
			 
		
				
		
			zài yú 
		to be in
to lie in
to consist in
to depend on
to rest with
		 
		
		
		
		
					
				
		
			zài yù 
		to increase
to multiply
to proliferate