你一定很期待。

You must really be looking forward to it.

youdao

你一定很饿了。

You must be very hungry.

youdao

我敢说你一定很期待这个月末，对吧？

I bet you're looking forward to the end of this month, aren't you?

youdao

And they said, "Well, I'm sorry you feel that way, it's incorrect, and you have to take it anyway."

但他们说：“很抱歉你那么像，这是不对滴，你一定要学它“

麻省理工公开课 - 化学原理课程节选

I know that you're going to do a great job on this part. You are brilliant.

相信你一定会很好地掌握这个句型。你可棒了！

I'm going to 课堂 - SpeakingMax英语口语达人

We look at what emails you reply to if you reply in theory that suggests this user must care about whoever sent this email or the topic they are in.

我们看看哪些邮件要回复,如果你回复了,理论上来说这表明了用户一定很关心,发件人以及邮件的主题。

哈佛公开课 - 计算机科学课程节选