I'd certainly tell you if I knew anything, but I don't. What you're saying is news to me.

我要是知道点儿什么，我肯定告诉你，可我不知道。你现在说的对我还是新闻呢。

《柯林斯英汉双解大词典》

I will tell you who he is, and what is become of him, but you had better hear the story in your own chamber.

我可以告诉你他是谁，他变成了什么样子，但是你最好在你自己的房间里听这个故事。

youdao

But I'm here to tell you that instead of focusing on doing what we love, I think we should focus on loving what we do.

但我在这里要告诉你们的是，与其专注于做我们爱做的事，我认为我们应该专注于爱上我们所做的事。

youdao

But,let us suppose you get angry over what I tell you.

VOA: special.2010.07.11

Partly to show you that it's kind of weird, but also to tell you that one of the things you want to do is exercise what I'm going to call some type discipline.

一定程度上来说这有点儿怪，但是还是想要告诉你们的是,你们需要做一些,我称之为类型规范的练习。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because it says, your program will still give you a value, but it may not be what you intended, and you can't always tell, and that may propagate it's way down through a whole bunch of other computations before it causes some catastrophic failure.

因为这意味着，你的程序依然会返回一个值，但是这个值可能不是你想要的，你可能还分辨不出来，而且这种情况会传播,结果会沿着正果计算过程传播下去,直到产生一个灾难性的错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

"Certainly we've got to make adjustments in midseason to continue, but I tell you what, we've got to get out of the gate again, " Collins said.

WSJ: Francisco hurt, leaving Mets' bullpen in flux

But I tell you what, you know what I believe.

WHITEHOUSE: The White House

But I tell you what, you West Virginians owe a lot of people in Delaware for a lot of money we should have gotten and you got. (Laughter.) I just want you to know that.

WHITEHOUSE: Remembering Senator Robert Byrd