over the moon

　　欣喜若狂，狂喜

　　This phrase means that someone is on top of the world because of something。

　　这个短语形容某人因某事高兴到了极点。

　　My mother was over the moon when I won the game。

　　当我赢得了比赛时，我妈妈高兴极了。

　　When Linda sent her boyfriend that gift， he was over the moon。

　　当Linda送给她男友这个礼物时，他欣喜若狂。