夜遊子 [－游－]

Jyutping je6 jau4 zi2
Pinyin yè yóu zi

Definitions (Wiktionary)
  1. noun
    night owl; night person
    (syn.) 夜摸索, 夜貓子, 夜精, 夜鬼, 夜摸仔, 暗光鳥, 夜遊神, 夜貓