冒警 [－－]

Jyutping mou6 ging2
Pinyin mào jǐng

Definitions (粵典–words.hk)
  1. 動詞
    「​假冒​警察​」​嘅​簡​稱​；​警察​係​其中​一種​公職​人員​，​而​假冒​公職​人員​係​一種​罪行
    to falsely pretend to be a police officer (警察);short for 假冒警察 "gaa2 mou6 ging2 caat3"
Definitions (Wiktionary)
  1. verb
    to impersonate a police officer