léi shēng dà , yǔ diǎn xiǎo 
		loud thunder, but only tiny drops of rain (idiom); a lot of talk, but no action
action speaks louder than words
his bite is worse than his bark
		 
		
		
														
		
		
			 
		
				
		
			léi shēng dà , yǔ diǎn xiǎo 
		loud thunder, but only tiny drops of rain (idiom); a lot of talk, but no action
action speaks louder than words
his bite is worse than his bark