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Jyutping gwong1 hong2
Pinyin guāng xíng

Definitions (Wiktionary)
  1. adj, Hakka
    expert; master; adept; experienced
    (syn.) 内行, 在行, 內行, 懂行
Examples (粵典–words.hk)
  1. Cantonese
    天光行到天黑,我行到脚软喇。
    天光行到天黑,我行到腳軟喇。
    tin1 gwong1 haang4 dou3 tin1 haak1, ngo5 haang4 dou3 goek3 jyun5 laa3.
    • We walk all day long, and now my legs go all weak.