2gaau fan 教訓 — [to teach a moral lesson] to give a beating to, to "teach someone a lesson" by the use of violence (gwdl 47, 16).
3gaau héung dó 教晤名字 — [to teach the protector's name] a stage in the triad initiation ceremony in which the recruit learns how to identify his protector (traditional triad jargon, OS).
4gaau jik kāp sāu sai 教職級手勢 — [to teach handsigns] a stage in the triad initiation ceremony in which the recruit is taught various handsigns (traditional triad jargon, OS).
5gaau louh 教路 — to teach, to instruct.
6gaau sī geui 教詩句 — [to teach poems] a stage in the triad initiation ceremony in which the protector teaches the recruit the membership and other poems (traditional triad jargon, OS).