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

我讨厌打搅你，但是，我必须告诉你一些重要的事情。

youdao

The minute he opened the door, she ran up to him, saying: "Peter, I have to tell you something."

他刚一开门，她就跑到他跟前说：“彼得，我有事要告诉你。”

youdao

I have to tell you something.

我要告诉你一些事情。

youdao

"I have something to tell you, white mouse," she said.

VOA: special.2009.08.01

And I have to tell you something about novels in the ancient world.

我得跟大家说说,古代的小说是什么样的。

耶鲁公开课 - 新约课程节选

If you have a set of blocks, mechanical, physical blocks,and I tell you to build something and I say, oh, by the way, you have to cut the blocks in smaller pieces, you are going to get angry, aren't you?

如果你要一个区块，力学的，物理区块，我告诉你要去建造东西,我说，顺便说一下，你必须将一整区块切成小块，你会生气，不会吗？

麻省理工公开课 - 固态化学导论课程节选

At bedtime one evening this summer, Arden told her mother, "I have something to tell you, " and started crying.

WSJ: To Skip the 'Talk' About Sex, Have an Ongoing Dialogue

But if the Chinese came to us and said, 'Look, here's what we have cooking, ' I'm not going to tell you I'm shutting the door today to something that's logical and might have a chance of success.

NPR: As US Talks Up Diplomacy, NKorea Takes Hard Line

"I can't tell you what I'm going to do, but I have to do something, " he said.

WSJ: An Illustrated Guide to Devin Thomas