xīn dòng 
		heartbeat
heart rate
(fig.) emotionally affected
aroused (of desire, emotion, interest etc)
		 
		
		
		
		
			 
		
				
		
			duàn xiù zhī pǐ 
		lit. cut sleeve (idiom); fig. euphemism for homosexuality, originating from History of Western Han 漢書|汉书: emperor Han Aidi (real name Liu Xin) was in bed with his lover Dong Xian, and had to attend a court audience that morning. Not wishing to awaken Dong Xian, who was sleeping with his head resting on the emperor's long robe sleeve, Aidi used a knife to cut off the lower half of his sleeve.