very, greatly

activity

area, district, particular geographic region

development / (colloquial, Internet slang, gay slang) the act of cruising, or going around for sexual partners; homosexuality

develop

economics; the study of economics / economy

change into, transform

酸い: sour (taste)

水: one of the five classical elements in traditional Chinese philosophy and medicine: see the "Wu Xing" entry on Wikipedia / 粋: chic, style, purity, essence

水: Wednesday