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dim; gloomy
廊下が薄暗いので電気をつけた方がいいと思う。
The hallway is dim, so I think you should turn on the light.
夕暮れ時の路地裏はいつも薄暗かった。
The back alley at dusk was always dim.
新しい照明をつけたので部屋は薄暗くない。
The room is not dim since new lighting was installed.