区域: area, district

空転: to idle

空転: idling

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

(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

(onomatopoeia) Representing a loud biting or chewing sound.