懂中文 Dong Chinese

兄弟阋墙

xiōng​dì​xì​qiáng

internecine strife ; fighting among oneself

Definitions

兄弟阋墙 (兄弟鬩牆) 

xiōng​dì​xì​qiáng

internecine strife (idiom); fighting among oneself

Sources