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”)

one-eyed goblin, a Japanese monster

combat stress reaction, shell shock (psychiatric condition characterized by fatigue caused by battle)

nuclear submarine

Kyūjitai form of 駆逐艦 (“destroyer”)

(military, historical) the Imperial Japanese Navy

“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