判若兩人 [－－两－]

Jyutping pun3 joek6 loeng5 jan4
Pinyin pàn ruò liǎng rén

Definitions (CC-CEDICT)
  1. to be a different person
  2. not to be one's usual self
Definitions (粵典–words.hk)
  1. 語句
    形容​人​嘅​行​為​、​態度​等等​前​後​截然不同
    (of people) to have different acts or attitudes now and then
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）