tóng shí 
		at the same time
simultaneously
		 
		
		
		
		
			 
		
				
		
			tóng shì 
		colleague
co-worker
CL:個|个[ge4],位[wei4]
		 
		
		
		
		
					
				
		
			tōng shǐ 
		narrative history
comprehensive history
a history covering an extended period
		 
		
		
		
		
			 
		
				
		
			tōng shí 
		general knowledge
overall knowledge
common knowledge
widely known
erudition
		 
		
		
		
		
			 
		
				
		
			tòng shī 
		to suffer the painful loss of (a loved one etc)
to miss out on (an opportunity)
to fail to gain (victory etc)