huí tiān 
		lit. to reverse the rotation of the sky
fig. to reverse a desperate situation
		 
		
		
		
		
			 
		
				
		
			huí tiān fá shù 
		unable to turn around a hopeless situation (idiom)
to fail to save the situation
		 
		
		
														
		
		
			 
		
				
		
			huí tiān wú lì 
		unable to turn around a hopeless situation (idiom)
to fail to save the situation