fluorescent lamp

dark; dim / sombre; gloomy

to break, to be broken, to be destroyed, to be wrecked / to fall through; to be broken off / (informal) to go mad; to lose it

the darkest place is under the candlestick; can't see the wood for the trees; people often known little of what happens under their noses; lit. "dark under a candlestick"

the light of a firefly / (physics) fluorescence

room (of a house or hotel), chamber, apartment, flat / (sumo) a stable where rikishi live and train together under a shisho oyakata (stable master)

dark / blackish / foolish / secret; covert / memorize; recite from memory

darkness

darkness

light / lamp / torch