violently

slow (of reduced intellectual capacity)

礑と: suddenly

等価: equivalent

投下: investment / 透過: penetration / 灯火: lamp / 等価: equivalence / 糖化: saccharification / 灯下: by lamp / 踏歌: an ancient dance / 藤花: wisteria flower / 頭花: flower head / 東下: going east / 刀下: under the sword

東下: to go east / 投下: to invest / 透過: to penetrate / 糖化: to saccharify / 登科: to pass the civil service test

(chiefly in the negative) not at all, not the slightest, not the least bit

乙: the second of the ten stems (十干 (jikkan))

当地: here, this location, this place, these parts

落とす: to drop something