I have a surprise for you!

我要告诉你一件你意想不到的事！

《牛津词典》

I have a surprise for you: We are moving to Switzerland!

我要告诉你一件意想不到的事：我们要搬到瑞士去！

《柯林斯英汉双解大词典》

He had a surprise for them.

他给他们准备了一个惊喜。

youdao

However,he made a surprise appearance at the Democratic National Convention to support Barack Obama's candidacy for president.

VOA: special.2009.09.13

While at the same time as I say congratulations, I want to remind you that I think it comes as no surprise given the lateness of Labor Day this year that this first test came rather early and for many of you much of this material you had seen in high school.

当我对你们表示祝贺的同时，我也想提醒你，今年晚来的劳动节,并非是什么惊喜,第一个测试来的比较早,你们中的绝大多数在高中已经见过了。

麻省理工公开课 - 固态化学导论课程节选

You are making plans for a huge surprise celebration.

你正在策划一场大型的惊喜聚会。

Let me 课堂 - SpeakingMax英语口语达人

The average upside surprise for the past year has been about 2 cents per share.

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It would be no surprise for a condemned man to play to the gallery.

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Of course, the big surprise for 2011 was the performance of the Treasury market.

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