(slang) internal argument and fighting within a group such as siblings; "dog-eat-dog"
Definitions (粵典–words.hk)
語句
內訌;自己人同自己人起衝突 infighting; dog-eat-dog; fighting among members of the same group; fraternal fighting; literally: dogs bite dogs' bones
做阿媽就最唔想見到自己仔女狗咬狗骨。
做阿妈就最唔想见到自己仔女狗咬狗骨。
zou6 aa3 maa1 zau6 zeoi3 m4 soeng2 gin3 dou2 zi6 gei2 zai2 neoi2 gau2 ngaau5 gau2 gwat1. The last thing a mother would like to see is that her children hurt each other.
The two of the brothers are always fighting. The older one visited his mother in the retirement home merely once a year, and self righteously, took it upon himself to call his brother an ingrate.