しきりに の訳語→ bitterly busily conjecture copiously desperately eagerly earnestly endlessly fluently frequently furiously hard imperiously incessantly insistently intently keep much often steadfastly terribly urge urgent urgently variously
てきぱきと の訳語→ brisk briskly expertly fast promptly promptness quickly sharp
みるみるうちに の訳語→ immediately increasingly
急速に の訳語→ dramatically suddenly