ǒu xīn lì xuè 
		lit. to spit out one's heart and spill blood (idiom)
to work one's heart out
blood, sweat and tears
		 
		
		
														
		
		
			 
		
				
		
			lì 
		to drip
to strain or filter
a trickle
		 
		
		
		
		
			 
		
				
		
			pī gān lì dǎn 
		lit. to open one's liver and drip gall (idiom); wholehearted loyalty
		 
		
		
														
		
		
			 
		
				
		
			lì qīng yóu kuàng 
		pitchblende (uranium ore)
		 
		
		
														
		
		
			 
		
				
		
			pōu gān lì dǎn 
		to be completely honest and sincere (idiom)
		 
		
		
														
		
		
			 
		
				
		
			lì chén bǐ jiàn 
		to state one's humble opinion (idiom)