さりげなく の訳語→ absently careless carelessly casual casually casualness covert covertly delicately discreet discreetly effortlessly everyday innocently matter-of-factly nonchalantly restrained simply unobtrusively unselfconsciously vague
ぱっとしない の訳語→ failing hopeless uninspirational unspectacularly
小さく の訳語→ briefly distant little shortly slightly small softly tiny weakly