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dark; gloomy; murky
depressed; dispirited; down in the dumps; dark (mood)
dark (in colour); dull
ill-boding; dark (e.g. past); suspicious
unlikely (to succeed); hopeless; unpromising
unfamiliar (with); ignorant (of)
闇い洞窟の中に光が差した。
Light shone into the dark cave.
彼の顔がくらい。
His face looks gloomy.
停電で家の中がとても闇かった。
It was very dark inside the house during the power outage.