おずおずと (translations)→ apologetic awkward awkwardly cautiously coyly diffidently frightened gingerly nervously reluctantly sheepishly shyly submissive tentative tentatively timid timidly tremulously
ためらいがちに (translations)→ self-consciously uncertainly
ぽつりと (translations)→ briefly flatly haltingly laconically quietly shortly simply
遠慮がちに (translations)→ apologetically meekly softly