天然呆 tiānrándāi
          
              tiānrándāi 
              
              adjective 
              muddleheaded 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: Loanword from Japanese 'tennen boke' (CC-CEDICT '天然呆')