色盲: color blindness

食う, 喰う: (vulgar) to eat; to make a living; to tease, to make light of; (of an insect) to bite or sting

空: the sky, empty air

空転: idling

空転: to idle

区域: area, district

蒴藋: Chinese elder

夷則: ninth note of the shí-èr-lǜ; seventh month of the lunar calendar

子息: (honorific) son / 四足: four-footed / 四則: the four basic arithmetic operations / 四塞: / 紙燭, 脂燭: / 視束: optic tract

蛇足: something useless; unnecessary; superfluous