[--]

Jyutping sei2 sing3
Pinyin sǐ xìng

Definitions (Wiktionary)
  1. adj, Min-Nan
    standardized; hardened; fixed; hard to modify

[--]

Jyutping sei2 sing3
Pinyin sǐ3xing

Definitions (CC-CANTO)
  1. bad old habits [colloquial]
Examples (粵典–words.hk)
  1. Cantonese
    今日咁准时,转死性呀?
    今日咁準時,轉死性呀?
    gam1 jat6 gam3 zeon2 si4, zyun3 sei2 sing3 aa4?
    • You are so punctual today that you are not yourself.