Yu the Great (yu) and Martin Luther King (王) invented some kind of wrestling sport in the space station's bathroom (Ø4). Both fighters have to be restrained by large jade bracelets (玉) around their body restricting their arms to be aligned to the body. Then they fight. To make things safe they stuffed the space station's bathroom (Ø4) with cosy petals (丶) so that they won't hurt themselves.
short name for Sichuan 四川[Si4 chuan1] province / one of the Three Kingdoms 三國|三国[San1 guo2] after the Han dynasty, also called 蜀漢|蜀汉[Shu3 Han4], situated around what is now Sichuan province