こともなげに の訳語→ absently carelessly casually disinterestedly dismissive drily lightly tersely
ゆったりと の訳語→ heavily lazily leisurely loosely luxuriously relax relaxed slowly
よどみなく の訳語→ flowingly rolling smoothly straight
楽に の訳語→ comfortable easily easy well
気安く の訳語→ pleasantly
気持ちよさそうに の訳語→ gratefully happily
結構な の訳語→ handsome nice some succulent
相当の の訳語→ eminent good great long reasonable remarkable suitable useful