수심water level; depth of water 심각성seriousness; magnitude; severity 심도depth 심사숙고meditation; deep thought 심연deep pond 심층deep structure 심해deep sea; deep waters; abyss 심호흡deep breath; deep respiration 심화deepening

야간night 야경night view; nightscape 야근working overtime; night duty 야시장night market 야식late-night meal; midnight snack 초야the first night 백야white night 불야성being nightless; being all-night 불철주야being day and night; being around the clock 야광glow in the dark; luminescence