うれしそうに の訳語→ agreeably cheerful contentedly cordially expectantly fondly gladly gratefully heartily
にこやかに の訳語→ affably amiably brightly friendly indulgently kindly lovingly nicely personable pleasantly richly smiling
軽く の訳語→ brief casually ease easily gentle gently light lightly little loose mildly quick slightly softly
軽やかに の訳語→ gracefully thin
元気よく の訳語→ blithely cheerfully willingly