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cheerfully; joyously; joyfully; happily; lightheartedly; excitedly; eagerly
いそいそと出かけでかけて行っいった。
She left cheerfully.
彼女かのじょはいそいそと準備じゅんびを始めはじめた。
She started preparing excitedly.
デートにいそいそと出かけでかけた。
He went on the date excitedly.