2laahm dāng lùhng 藍燈籠 — an affiliated member of a triad gang, a new recruit who has not been formally accepted into a triad society but who has a protector who is a member (yjw 1, 41); police vehicle (taxi driver jargon, mp 27.1.1999).
3laahm gwāa jí 藍瓜子 — triazolam (a tranquilliser, OS).
4laahm jīng lìhng 藍精靈 — smurf; triazolam (a tranquilliser).
5laahm mōu jī 藍盾子 — blue-berets; the Police Tactical Unit of the Hong Kong police (gwdl 14, 13).
6laahm téuhn 藍盾 — triazolam (a tranquilliser); Public Security Bureau police in mainland China.