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！
