a shipworm

irritable; in a bad mood

a type of veil worn with a woman's straw hat during the Heian period and Kamakura period

the seven-spot ladybird or seven-spotted ladybug, Coccinella septempunctata

handsome fungus beetle (any beetle of family Endomychidae) / (colloquial) 28-spotted ladybird, 28-spotted ladybug (Henosepilachna vigintioctopunctata, syn. Epilachna vigintioctopunctata)

an Asian ladybeetle, Harmonia axyridis

strongylosis

deathwatch beetle

a lumbrical muscle

“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