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Jyutping lai6 hong2
Pinyin lì xíng

Definitions (Wiktionary)
  1. verb
    to strictly enforce; to rigorously enforce; to make great efforts to carry out

厲行 [厉-]

Jyutping
Pinyin lì xíng

Definitions (CC-CEDICT)
  1. to do (sth) with rigor
  2. rigorously