讲解文本：

beside oneself 极度兴奋，对自己的感情失去控制
I was beside myself when I won the big prize!
当我赢得大奖时，我高兴得控制不住我自己。
They're beside themselves with fear and worry.
他陷入极度的恐惧和担忧中。

疯狂练习吧！