さりげなく (translations)→ absently careless carelessly casual casually casualness covert covertly delicately discreet discreetly effortlessly everyday inconspicuous innocently matter-of-factly nonchalantly simply unobtrusively unselfconsciously vague
ちらと (translations)→ momentarily momentary quick
抑制 (translations)→ boundary check constraint containment control repression reserve restraint restrictive suppression
