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Jyutping haau1 zaa3 lak6 sok3
Pinyin qiāo zhà lè suǒ

Definitions (Wiktionary)
  1. phrase, idiomatic
    to blackmail and impose exactions on; to extort and racketeer

敲詐勒索 [-诈--]

Jyutping
Pinyin qiāo zhà lè suǒ

Definitions (CC-CEDICT)
  1. extortion and blackmail (idiom)