overjoyed

She was overjoyed when she received the official letter of acceptance from Harvard University.

(Chinese) 当她收到哈佛大学的正式录取通知书时，她欣喜若狂。

The fans were overjoyed after their underdog team scored the winning goal in the final minute.

(Chinese) 在他们那支不被看好的球队在最后一分钟打进致胜一球后，球迷们欣喜若狂。