ずかずかと (translations)→ boldly confidently unceremoniously
そっけなく (translations)→ absently briefly carelessly coldly coolly curt flatly hastily indifferently insipidly lightly matter-of-factly shortly simply tightly
つっけんどんに (translations)→ rudely sharp sulkily tartly testily
ぶっきらぼうに (translations)→ abruptly crisp curtly gruffly noncommittal severely sourly tersely
乱暴に (translations)→ crossly fitfully furiously giddy harshly impatient madly radical roughly savagely viciously violently
烈しく (translations)→ vehemently