Tóng xīn 
		Tongxin county in Wuzhong 吳忠|吴忠[Wu2 zhong1], Ningxia
		 
		
		
		
		
			 
		
				
		
			Tóng xīn xiàn 
		Tongxin county in Wuzhong 吳忠|吴忠[Wu2 zhong1], Ningxia
		 
		
		
														
		
		
			 
		
				
		
			tōng xìn 
		to correspond (by letter etc)
to communicate
communication
		 
		
		
		
		
					
				
		
			tóng xīn 
		with common wishes
spirit of cooperation
concentric
		 
		
		
		
		
			 
		
				
		
			tóng xīn 
		childish heart
childish innocence