the bottom

a sea, an ocean / a lake / (figuratively) an object covering over a large area, as in 血の海 (chi no umi, “pool of blood”) or 火の海 (hi no umi, “sea of fire”)

live a life

life; livelihood; daily living.

base of a logarithm

bottom / depth / sole / base

鱝, 鱏: ray, a kind of cartilaginous fish.

Used in situations requiring decisive, sudden force, such as throwing. oof

良い: (obsolete) good

英断: resolution; decisive judgement