我必须告诉你这桩交易的真相。

I must tell you the truth about this business.

《柯林斯英汉双解大词典》

在我离开这个世界之前，我必须告诉你一件在我心里藏了二十多年的事。

Before I leave this world, I have to tell you one thing that has been hidden in my heart for over twenty years.

youdao

我讨厌打搅你，但是，我必须告诉你一些重要的事情。

I hate to disturb you, but I have to tell you something important.

youdao

I've got to tell you whether I went to the right or whether I went to the left.

我必须告诉你,我是向右走还是向左走的

耶鲁公开课 - 基础物理课程节选

I know you can't read these characters but just, if you had to tell me, which ones do you like and which ones don't you like ? or how much do you like each one?

我知道你们不会读这些字母,但是，如果你必须告诉我，它们当中，你喜欢哪些词汇,不喜欢哪些,对于每个词，到底有多喜欢？

耶鲁公开课 - 心理学导论课程节选

And now here comes Eboo Patel telling me you don't have to add this to the already busy things I have to do.

现在Eboo，Patel又告诉我,你不必将此添加到,我必须做的已经很繁忙的事务中了。

普林斯顿公开课 - 人性课程节选