to know only one aspect of a thing

Archaic spelling of だいくんい.

foolish; stupid / (historical) Lu (state) (vassal state during the Zhou Dynasty of ancient China) / (dated) short form for Russia (魯西亜) / a surname

(relativity) general relativity

general topology

ウーロン茶, 烏龍茶: oolong tea

録音: audio recording

(gambling, idiomatic) Snake eyes: two ones, after rolling two dice. / (derogatory, idiomatic) Wearing two layers of hitoemono (unlined summer-weight kimono).

(gambling, idiomatic) doubles: two of the same number other than 1, after rolling two dice / (gambling, idiomatic) in a forecast bet, betting that the same horse wins twice in a row

袋: bag / 復路: way back, return trip