[--]

Jyutping gwai2 syu2
Pinyin guǐ suì

Definitions (粵典–words.hk)
  1. 形容詞
    形容​人​好似​有​嘢​隱瞞​,​怕​畀​人​發現​噉​嘅​樣
    sneaky; secretive
    • 你睇佢個鬼祟樣,實係偷咗嘢。
      你睇佢个鬼祟样,实系偷咗嘢。
      nei5 tai2 keoi5 go3 gwai2 syu2 joeng2, sat1 hai6 tau1 zo2 je5.
      Look at this sneaky bastard. He must have stolen something.
  2. 參看
    鬼鼠

[--]

Jyutping gwai2 seoi6
Pinyin guǐ suì

Definitions (CC-CEDICT)
  1. evil spirit
  2. sneaky
  3. secretive
Definitions (CC-CANTO)
  1. sneaky; sneakily; furtive; stealthy
Definitions (粵典–words.hk)
  1. 形容詞
    形容​人​好似​有​嘢​隱瞞​,​怕​畀​人​發現​噉​嘅​樣
    sneaky; secretive
    • 你睇佢個鬼祟樣,實係偷咗嘢。
      你睇佢个鬼祟样,实系偷咗嘢。
      nei5 tai2 keoi5 go3 gwai2 syu2 joeng2, sat1 hai6 tau1 zo2 je5.
      Look at this sneaky bastard. He must have stolen something.
  2. 參看
    鬼鼠
Definitions (Wiktionary)
  1. noun, literary
    misfortunes brought by evil spirits
  2. adj, figuratively
    stealthy; clandestine
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    汤姆鬼鬼祟祟地遛近了玛丽身后。
    湯姆鬼鬼祟祟地遛近了瑪麗身後。
    tāng mǔ guǐ guǐ suì suì dì liú jìn le mǎ lì shēn hòu 。
    • Tom sneaked up behind Mary.
Examples (粵典–words.hk)
  1. Cantonese
    你鬼鬼祟祟噉拎走咗啲咩呀?
    你鬼鬼祟祟噉拎走咗啲咩呀?
    nei5 gwai2 gwai2 syu2 syu2 gam2 ling1 zau2 zo2 di1 me1 aa3?
    • You look so sneaky, what did you take?
  2. Cantonese
    你睇佢个鬼祟样,实系偷咗嘢。
    你睇佢個鬼祟樣,實係偷咗嘢。
    nei5 tai2 keoi5 go3 gwai2 syu2 joeng2, sat1 hai6 tau1 zo2 je5.
    • Look at this sneaky bastard. He must have stolen something.