you tell them that this is something that needs to happen.

你告诉大家这件事有发生的必要。

It's important 课堂 - SpeakingMax英语口语达人

I've lined up two of them and let me tell you about the two that I've already lined up.

我已经安排好了其中两位,让我为你们介绍一下,这两位我已经联系好的嘉宾

耶鲁公开课 - 金融市场课程节选

They had to give some of them the real vaccine and some of them a placebo vaccine in order that they could really tell if the vaccine worked; you have to have it placebo controlled.

研究者们还须给部分孩子接种真正的疫苗,给另外一些孩子接种空白疫苗,以分辨疫苗是否真的有效,所以你必须使用安慰剂作对照

耶鲁公开课 - 生物医学工程探索课程节选

in the context of a web page. And increasingly that is where the human computer interaction is, and so will you be empowered by terms and not to just to make a website per se but to make an application, something that's of interest to you, something that solves problems, something that lets you tell someone through the most electronic means possible that you saw them somewhere on campus.

以网页内容的形式表现出来,人机交互的运用将越来越多，而且你将学会编程,不仅能制作网站，还能做出应用程序，一些你感兴趣的东西，一些解决问题的手段，还有一些可以让你通过使用,现有的电子手段来分辨出,校园里面看到的一个人的东西。

哈佛公开课 - 计算机科学课程节选

You said that you help younger students. Could you tell us how you feel about teaching them?

你刚才说你帮助低年级的学生。能告诉我们教他们的感觉是怎样的吗？

丰富多彩的社团活动 - SpeakingMax英语口语达人

So you can't even call someone to tell them that you're stuck on a train.

所以你甚至不能打电话给其他人，告诉他们你被困在地铁上了。

纽约的交通手段 - SpeakingMax英语口语达人

You'll no longer be able to tell them about the things that have been going on.

不再能够告诉他们发生了什么。

耶鲁公开课 - 死亡课程节选

When you‘re discussing your situation with a friend, you could tell them that you were doing this by using the "I'm ~ing" pattern.

当你跟一个朋友谈起你的情况时，你可以用“I'm ~ing”句型告诉他们你在做什么。

I'm ~ing 课堂 - SpeakingMax英语口语达人