鎮守: local Shinto deity, village deity.

to wash one's face

肉体: the body; flesh

(mahjong) all simples: a 役 (yaku, “hand”) that has 2-8 of any of the three main suits, lacking any 么九牌 (yaochūpai, “terminal and honour tiles”), worth 1 翻 (han, “double”)