あっさり の訳語→ brightly casual dryly easily effortlessly entirely freely handsomely impatiently just matter-of-factly off-hand quickly readiness short shortly simply succinctly thinly unceremoniously willing
うっかり の訳語→ absentmindedly accident accidentally careless fear heedlessly inadvertent inadvertently injudiciously let nearly thoughtlessly uncertainly unguardedly unintentional unthinkingly venture
こともなげに の訳語→ absently casually comfortably disinterestedly dismissive drily lightly tersely
さりげなく の訳語→ casualness covert covertly delicately discreet discreetly everyday inconspicuous innocently nonchalantly restrained unobtrusively unselfconsciously vague
そっけなく の訳語→ briefly brusquely coldly coolly curt flatly hastily indifferently insipidly tightly
それとなく の訳語→ cautiously cunningly friendly generally gently little obliquely somehow subtly surreptitiously veiled
ぞんざいに の訳語→ bluntly grimly rudely
だらしなく の訳語→ loosely off-handedly slovenly
迂闊な の訳語→ fool remiss silly simple-minded unsuspecting
事もなげに の訳語→ ever-ready
心おきなく の訳語→ heartily unreserved
適当に の訳語→ opportunely
無造作に の訳語→ offhandedly
無頓着に の訳語→ unmindfully