rejoice
verb [ I ] formal uk/rɪˈdʒɔɪs/ us/rɪˈdʒɔɪs/
非常高兴;深感欣喜;充满喜悦
to feel or show great happiness about something
Everyone rejoiced at the news of his safe return. 听到他安全返回的消息，大家都欣喜万分。
She rejoiced in her good fortune. 她为自己的好运高兴不已。
[ + to infinitive ] I rejoiced to see that she had made such a quick recovery. 看到她这么快就痊愈了，我非常高兴。