frat·ri·cid·al
adjective/ˌfrætrɪˈsaɪdl/
/ˌfrætrɪˈsaɪdl/
(formal)- connected with the crime of killing your brother or sister, or people from your own country or group
自相残杀：与杀害您的兄弟姊妹或您自己国家或集团的人有关的罪行 - to be engaged in a fratricidal struggle
进行自相残杀的斗争
- to be engaged in a fratricidal struggle