Brazilian Jiu-Jitsu (BJJ for short) is a martial art and combat sport that focuses on grappling and especially ground fighting with the goal of gaining a dominant position from which to force an attacker to submit/accept defeat using joint locks and chokes.

Some commonly used BJJ terms in English and Chinese. 

Taiwan BJJ follows the rules outlined by the International Brazilian Jiu-jitsu Federation (IBJJF) for competitions.