Pinocchio was beside himself with joy.

皮诺乔高兴得发狂。

youdao

He was beside himself with rage when I told him what I had done.

我告诉他我做了什么事，他就勃然大怒。

《牛津词典》

Pinocchio, beside himself with joy, thanked the Fox and the Cat many times and promised them each a beautiful gift.

皮诺曹高兴得忘乎所以，多次谢过狐狸和猫，并答应送给他们每人一件漂亮的礼物。

youdao

When he came back and saw me waving the bottle he was beside himself.

NEWYORKER: Diary of an Interesting Year

Almost beside himself with irritation, he told them all to mind their own business.

ECONOMIST: Two bombings reveal both timidity and confusion

An otherwise brave boy, he was frightened and beside himself.

BBC: Surrey puma sightings: Timeline