[----]

Jyutping baat3 baai3 zi1 gaau1
Pinyin bā bài zhī jiāo

Definitions (CC-CEDICT)
  1. sworn brotherhood
  2. intimate friendship
Definitions (Wiktionary)
  1. phrase, idiomatic
    sworn brotherhood; intimacy of relations between platonic friends
    (syn.) 金兰之交, 金蘭之交
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)