mountain stronghold / mountain camp / shanzhai: imitation or counterfeit consumer goods, especially from China

three directions

(in compounds, attributive) Short for 電子計算機 (denshi keisanki, “computer”).

(dated) San Pedro (a community in Los Angeles, California, United States)

a visit by a student's guardians to observe the class

petty underling; small fry

(idiomatic) thoughts buried deep inside the heart

entrusting sale of a doujin work to another doujin circle at a doujin event when one cannot personally participate

going on a pleasure jaunt

(Buddhism) the "Three Mysteries" in Esoteric Buddhism, secrets of the body, speech, and mind of the Buddha