かたくなに の訳語→ adamantly doggedly pious robustly staunchly stubbornly tihgtly
きっぱり の訳語→ absolutely assertion boldly determined firmly instantly outright sharply sternly tersely
きびしく の訳語→ carefully frankly
断固として の訳語→ forbidding peremptorily sturdily unswervingly