死穴 sǐxué
          
              sǐxué 
              
              noun 
              lethal point (acupuncture); vulnerable spot; Achilles' heel 
              Domain: Literary Chinese 文言文
              
              
              
              
                Notes: (CC-CEDICT '死穴')
              
               
          
          
Word is mentioned most frequently in
Truncated for common words
- 卷二百二十二中 列傳第一百四十七中 南蠻中 Volume 222b Biographies 147b:Southern Man 2 New Book of Tang 新唐書 — count: 1