あっさりと (translations)→ airily artlessly briskly cool deadpan eagerly fast just matter-of-factly
そっけなく (translations)→ absently briefly brusquely carelessly coldly coolly curt hastily indifferently insipidly lightly shortly simply tightly
にべもなく (translations)→ bluntly drily icily outright truculently
ぽつりと (translations)→ haltingly hesitantly laconically quietly
乾いた (translations)→ dry rasping
邪険に (translations)→ angrily nasty sharply
頭から (translations)→ absolute headfirst headlong studiedly
無愛想に (translations)→ unfriendly
言下に (translations)→ flat promptly readily second thought