mèi liáng xīn 
		it goes against one's conscience
		 
		
		
														
		
		
					
				
		
			tiān dì liáng xīn 
		in all honesty
truth to tell
		 
		
		
		
		
			 
		
				
		
			liáng xīn wèi gǒu 
		to have fed one's conscience to the dogs (idiom)
devoid of conscience
		 
		
		
														
		
		
			 
		
				
		
			liáng xīn wèi mǐn 
		not totally heartless
still having a shred of conscience