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Jyutping hong2 hei3
Pinyin xíng qì

Definitions (Wiktionary)
  1. verb
    to practise Taoist breathing exercises
    (syn.) 服氣, 煉氣, 服气, 炼气
  2. verb, Chinese, traditional
    to promote the flow of qi
  3. verb, Min-Nan
    to be effective; to work
    (syn.) 有效, 生效, 见效, 見效