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！