go wild with joy 欣喜若狂

“欣喜若狂”，汉语成语，意思是形容高兴、兴奋到了极点。可以翻译为“go [be] wild with joy，be as happy [joyful] as a lark或be in ecstasy”等。

例句：

我获得奖学金时父亲欣喜若狂。

My father was in ecstasy when I won my scholarship.

他一想到將要再次见到他们便欣喜若狂�

He was thrilled at the prospect of seeing them again.