夫妻本是同林鳥 [－－－－－－鸟]

Jyutping fu1 cai1 bun2 si6 tung4 lam4 niu5
Pinyin fū qī běn shì tóng lín niǎo

Definitions (Wiktionary)
  1. proverb
    Even though a husband and wife were originally birds from the same forest (...when adversity strikes, they fly in separate directions).