be crazy about / get enthusiastic about / be devoted to / give *oneself up to / plunge into / throw *oneself into / be absorbed in / be really into / go overboard in / have a passion for
こる
koru
凝る JVE
be elaborate / elaborate / be ornate / be exquisite
こる
koru
凝る JVE
become tense / have a stiff shoulder / become stiff
