うれしそうに (translations)→ agreeably cheerful contentedly cordially expectantly fondly gaily gladly gratefully
おかしそうに (translations)→ amusedly amusement delightedly laughingly
せっせと (translations)→ active assiduously busily constantly diligently duly dutifully industriously sedulously steadily systematic systematically voraciously
ほとほと (translations)→ absolutely altogether complete quite rather so thoroughly
一生懸命 (translations)→ devote serious violently
強く (translations)→ awful badly close emphasis forcefully further hard loudly pretty sharply strong strongly vehemently vigorously warmly
心おきなく (translations)→ carelessly freely unreserved
心の底から (translations)→ deeply profound really
心底 (translations)→ deep devoutly enormously genuine genuinely heart profoundly real truly utterly
陽気に (translations)→ cheerfully exuberant good-naturedly happily hilariously jollily merrily