tickled to death 高兴极了（俚语）

英文释义

Very happy; pleased by something that has occurred.

例句

I was tickled to death when I met my favorite former teacher in the park last Sunday after not seeing him for twenty years.

上周日，我在公园里遇到了我从前最喜欢的老师，我有20年没见到他了，特别高兴。