艾老 àilǎo
          
              àilǎo 
              
              noun 
              a person who is 50 years of age 
              Domain: Literary Chinese 文言文
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: (Guoyu '艾老'; Mathews 1931 '艾老' p. 3)