打死不離親兄弟 [－－－离亲－－]

Jyutping daa2 sei2 bat1 lei4 can1 hing1 dai6
Pinyin dǎ sǐ bù lí qīn xiōng dì

Definitions (CC-CANTO)
  1. noun; brothers who are related have stronger obligations to each other than to people outside the family; "blood is thicker than water"
Definitions (粵典–words.hk)
  1. 語句
    形容​兄弟​情誼​深厚​，​有​咩​事​都​會​一齊面​對
    brothers who are related have stronger obligations to each other than to people outside the family