如果我们试图保密，她肯定会发现。

If we try to keep it a secret, she's guaranteed to find out.

《牛津词典》

她肯定会入选该队。

She's sure to be picked for the team.

《牛津词典》

我敢打赌她肯定会感激你。

A: I bet she's grateful to you.

youdao

And I'm sure that she's really interested in going as well.

我觉得她肯定也会很感兴趣。

Let me 实战 - SpeakingMax英语口语达人

I think she will like what we're planning.

我觉得她肯定会喜欢我们的计划的。

Can 实战 - SpeakingMax英语口语达人