theoretical knowledge without practical experience; Literally, “swimming lessons on a tatami floor”

(mahjong) drawing the winning tile off the dead wall after declaring a 槓 (kan, “kong”), worth 1 翻 (han, “double”)

(linear algebra) upper triangular matrix

(grammar) Short for 上一段活用 (kami ichidan katsuyō): upper monograde conjugation

(grammar) an abbreviation for 上二段活用; upper dual grade conjugation

Alternative spelling of お手上げ: throwing up one's hands: giving up, quitting

外法箱: A supernatural 'box', that contains paraphernalia, such as dolls, animal and human skulls, etc., kept in a Shinto shrine.

武芸者: martial artist

bearded face

芸術作品: artwork, work of art, piece of art