死腸直肚 [－肠－－]

Jyutping sei2 coeng4 zik6 tou5
Pinyin sǐ cháng zhí dù

Definitions (粵典–words.hk)
  1. 形容詞
    即​係​直腸​直肚​，​性情​率直
    (of personality) straightforward