one's own affairs, one's own business, matters of concern to oneself

(colloquial) current boyfriend

everything

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

everyone, one and all

(poetic) a mountain where the first-person speaker resides / (by extension, poetic) Synonym of 比叡山 (Hiei-zan): Mount Hiei, where Saichō erected Enryaku-ji, the first Tendai monastery

Synonym of 黄昏 (tasogare, “dusk; twilight”) / Synonym of 黄昏時 (tasogaredoki, “dusk; twilight”)

(Buddhism) think on the power of Kannon

(literally) know the other side and yourself, a hundred battles will not be perilous