(pos:名詞)(label:香港)(sim:機動部隊)(sim:歪帽)yue:「警察機動部隊」嘅俗稱，係香港嘅一支防暴警察；名稱源自部隊人員配戴藍色#貝雷帽eng:"Blue-Berets", the nickname of the Police Tactical Unit (PTU) of the Hong Kong Police Force