いじくる (translations)→ fiddle finger fumble muck paw tamper work
ばたばたと (translations)→ swiftly wildly
一件 (translations)→ business case event incident job one stuff
大騒ぎ (translations)→ furor kerfuffle palaver roughhouse scrum tempest wild yeast
夢中になる (translations)→ care curious fond love
こだわる (translations)→ adhere attention be obsessed with dwell fascination insistent obsess particular