polyandry (plurality of husbands at the same time)

first discoverer (used especially in reference to the discovery of a dead body)

the Tokyo metropolitan region; the area surrounding and including the capital of Japan in Eastern Tokyo

(idiomatic) A traditional Japanese meal, consisting of a bowl of soup and three side dishes (rice, pickles, etc.).

(zoology) polyandry

the best or top person, such as the best performer in a company, or a leading expert

(figuratively) a narrow world view based on limited experience

(figuratively) being carefree and unaware of an imminent danger

three days ago

“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