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quickly; promptly; immediately; without delay; briskly; hurriedly; hastily
indifferently; coldly
宿題をさっさと終わらせて遊びに行った。
I quickly finished my homework and went to play.
さっさと準備して出発しないと遅刻する。
If we don't hurry up and get ready, we'll be late.
彼はさっさと帰って一人になりたかった。
He wanted to go home quickly and be alone.