一反常態 [－－－态]

Jyutping jat1 faan2 soeng4 taai3
Pinyin yī fǎn cháng tài

Definitions (CC-CEDICT)
  1. complete change from the normal state (idiom); quite uncharacteristic
  2. entirely outside the norm
  3. out of character
Definitions (粵典–words.hk)
  1. 動詞
    態度​、​神態​等等​同平時​完全​唔​同
    to act abnormally; not to be oneself
Definitions (Wiktionary)
  1. phrase, idiomatic
    to act out of character; uncharacteristically
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (粵典–words.hk)
  1. Cantonese
    一反常态
    一反常態
    jat1 faan2 soeng4 taai3
    • to be different from the normal state
    • contrary to the normal state of affairs; contrary to one's normal behaviour