sharp

the Golden Gate Bridge / (by extension, mahjong) 金門橋: a local-rule hand containing four 順子 (shuntsu) of 1-2-3, 3-4-5, 5-6-7, and 7-8-9 of a suit, worth 役満 (yakuman, “limit”)

“a hundred days of sermonizing, one fart” → a metaphor for how something that one has put great effort into can come to nothing after even a slight mistake, much as a hundred days of serious spiritual study can be lost to the winds

一部: part / 一分: one minute; a few

服: (archaic) mourning; mourning clothes

無人: lack of help

土笛: ocarina

武道: budo, Japanese martial arts / 武術: martial arts / 武術: wushu, Chinese martial arts

to act ferociously or manly

侮辱: insult