プログレッシブ和英中辞典(第4版)の解説
かんき【歓喜】
joy; delight
歓喜する be delighted ((at, with；to do；that))；be overjoyed ((to do))；《文》 rejoice ((at, in, over；to do；that))
歓喜のあまり飛び上がった
He jumped for joy.
歓喜の涙を流した
She shed tears of joy.
その知らせを聞いて皆歓喜した
They were all overjoyed to hear the news.
家族は彼の成功に歓喜した
His family rejoiced over [at] his success.