こっそり (translations)→ creep furtively privately quietly sott-voce stealthily surreptitiously unperceived unseen
ことごとく (translations)→ all anywhere continually entirely every everything whatever whole
さりげなく (translations)→ absently careless carelessly casual casually casualness covert covertly delicately discreet effortlessly everyday inconspicuous innocently matter-of-factly nonchalantly restrained simply unobtrusively unselfconsciously vague
そっと (translations)→ calmly carefully cautiously ease furtive gently gingerly guardedly lightly little loosely politely quick quickly quiet secretly silently slight slowly softly stealthy tenderly tentative
それとなく (translations)→ cunningly friendly generally obliquely somehow subtly veiled
つつましく (translations)→ modest modestly pious reverently unassumingly
声を抑えて (translations)→ soft-voiced
適当な (translations)→ befitting convenient due lackluster opportune seemly
