鎖匙佬 [锁－－]

Jyutping so2 si4 lou2
Pinyin suǒ chí lǎo

Definitions (粵典–words.hk)
  1. 名詞
    鎖匠​，​識​開鎖​、​整鎖​匙​嘅​工匠
    locksmith
  2. 名詞
    即​係​獄​卒​，​因​為​佢​哋​會​帶​住​監​倉​嘅​鎖​匙​，​呢​個​講法​就​同柳​記​嘅​出​處​一​樣
    prison guard, literally "key guy"
Definitions (Wiktionary)
  1. noun, Cantonese
    locksmith (one who practices locksmithing)
    (syn.) 锁匠, 鎖匠

鎖匙佬 [锁－－]

Jyutping so2 si4 lou2
Pinyin suó3chi lǎo

Definitions (CC-CANTO)
  1. a locksmith [colloquial]