他们瞒着她筹备了一个给她意外惊喜的聚会。

Unbeknown to her they had organized a surprise party.

《牛津词典》

令鼹鼠惊喜的是，他发现自己竟然坐在一只真船的船尾上。

The Mole to his surprise and rapture found himself actually seated in the stern of a real boat.

youdao

无数宽敞美丽的庭院藏身于屋舍之间，游客们每到一处都有会惊喜的发现。

Tourists will be surprised by the spacious and well-built courtyards among the houses everywhere they go.

youdao

But I will tell you, the students I had in that seminar did amazing things to push their choice of novel.

但我要告诉你们的是，那些研讨课的学生在推选小说时,有着令人惊喜的表现。

耶鲁公开课 - 1945年后的美国小说课程节选

And your parents say, "Oh! We have a big surprise!"

你的父母说“哦！我们给你准备了一个惊喜！”

I used to 课堂 - SpeakingMax英语口语达人

My guess is that 9:00 is not going to be a tremendously popular time, but maybe you'll surprise me.

我的猜测是九点的课时,不会是特别受欢迎的时间，但是可能你们会给我点儿惊喜。

麻省理工公开课 - 计算机科学及编程导论课程节选