I must tell you the truth about this business.

我必须告诉你这桩交易的真相。

《柯林斯英汉双解大词典》

I must tell you how much I sympathize with you for your loss, Professor.

教授，我必须告诉您我对您所受的损失深表同情。

《柯林斯英汉双解大词典》

I think I must tell you another solution to the same equation.

我想我必须告诉你们同一个方程的另一个解。

youdao

"But you must never tell anyone I told you this."

VOA: special.2009.12.26

I will find out now--you must tell me, dear."

我现在就去找，告诉我吧，亲爱的，“

耶鲁公开课 - 现代诗歌课程节选

Because I stand up here and I talk about the one or more than one thing I know about and so it's easy to infer that I must know a lot but in fact by the time this semester ends I will have tell you told you everything I know.

因为我站在讲台上,我给你们讲我知道的知识,所以你们很轻易就推断出我一定懂很多,但其实到了学期末，我要告诉你们,我会的都已经教给你们了。

耶鲁公开课 - 心理学导论课程节选

"I must tell you that the recovery process is getting very, very difficult and very, very dangerous, " he said.

CNN: 'Rita scares us to death'

My neighbors, she said, I must tell you why I am here.

NEWYORKER: Magda Mandela

"I must tell you every time I do one, you say to yourself, 'God I hope this is the last one, " he said.

WSJ: Overseer of US victim funds says work wrenching