欣喜若狂,汉语成语,意思是形容开心、开心到了极点。可以翻译为go [be] wild with joy,be as happy [joyful] as a lark或be in ecstasy1等。

例句:

我获得奖学金时爸爸欣喜若狂。

My father was in ecstasy when I won my scholarship.

他一想到將要第三见到他们便欣喜若狂

He was thrilled at the prospect2 of seeing them again.