欣喜若狂 [- - ruò kuánɡ]tread [walk] on air; gloat over; be as happy [joyful] as a lark; go [be] wild with joy; be entranced [frantic; mad; delirious] with joy [delight]; be in an ecstasy of delight [joy]; be in a divine ecstasy; in raptures; jubilantly happy; be transported with joy; be beside oneself with joy; go into raptures:•¶ 因 ... 而欣喜若狂 be wild with joy over ...
•¶ 胜利捷报传来， 人人欣喜若狂。 People's joy knew no bounds when the news of victory arrived.