yī shēng 
		all one's life
throughout one's life
		 
		
		
		
		
			 
		
				
		
			yī shēng yī shì 
		a whole lifetime (idiom); all my life
		 
		
		
		
		
			 
		
				
		
			jiǔ sǐ yī shēng 
		nine deaths and still alive (idiom); a narrow escape
new lease of life
		 
		
		
		
		
					
				
		
			kē xué jì shù shì dì yī shēng chǎn lì 
		Science and technology is the number one productive force (from 1978 speech by Deng Xiaoping 鄧小平|邓小平 introducing the Four Modernizations 四個現代化|四个现代化).