shū dú 
		letter
wooden writing strips (arch.)
general term for letters and documents
		 
		
		
														
		
		
			 
		
				
		
			wén dú 
		paperwork
official documents and letters
(old) secretary
		 
		
		
														
		
		
					
				
		
			lián piān lěi dú 
		(of a piece of writing) long and tedious (idiom)
verbose
		 
		
		
														
		
		
			 
		
				
		
			cháng piān lěi dú 
		(of a text) very lengthy (idiom)