おだやかな (translations)→ friendly gentle gorgeous mild nice politely quiet soft
おだやかに (translations)→ benign blandly calm calmly cheerfully content equably kindly obtusely patiently
かすかに (translations)→ barely delicately faintly gently hint lightly perceptibly slight slightly small touch trace
しずかに (translations)→ peace silently
しんみりと (translations)→ quietly sadly
そっと (translations)→ carefully cautiously covertly discreetly ease furtive furtively gingerly guardedly little loosely quick quickly secretly slowly stealthily stealthy tenderly tentative
ひそかに (translations)→ mentally private privately surreptitiously unadvertised
ひそやかに (translations)→ guiltily
ひっそりと (translations)→ absolutely secluded unassuming
ふっと (translations)→ abruptly fleetingly passing simply sudden suddenly unsummoned
やんわり (translations)→ diplomatically mildly smoothly
やんわりと (translations)→ easy meekly thoughtfully
遠慮がちに (translations)→ apologetically coyly hesitantly shyly timidly
穏やかに (translations)→ amicably benignly cool lazy placidly sensibly
軽く (translations)→ brief casually easily gaily light loose
控え目に (translations)→ humbly modestly
従順に (translations)→ amenably compliant
小さく (translations)→ briefly distant inconspicuous shortly tiny weakly
声を殺して (translations)→ hoarsely
静かな (translations)→ pacific silken slumberous still voiceless
低い (translations)→ down faint flat low muted weak
低く (translations)→ effectively heavily matter-of-factly slow