Who must I know?

我一定要知道谁？

youdao

You, who so well know my feelings towards Mr. Darcy, will readily comprehend how sincerely I must rejoice that he is wise enough to assume even the appearance of what is right.

你很了解我心里对达西先生是怎样一种感觉，因此你也很容易明白：我听到他居然也懂得在表面上装得象个样子了，这叫我多么高兴。

youdao

I must confess that I think her as delightful a character as ever appeared in print, and how I shall be able to tolerate those who do not like her at least, I do not know.

我必须承认，我认为她是所有出版书中最让人喜爱的角色。对那些一点都不喜欢她的人，我不知道我能容忍到什么地步。

youdao

"I must admit, I don't know who he is, " says Herminio Batalla, as he enjoyed his paper on a park bench.

BBC: Mexico row over Azeri leader Heydar Aliyev's statue

And I want to take this opportunity to say how sad I am for Eliot Spitzer's family, particularly his teenage daughters, his wife, of course, but his parents who are my generation and wonderful nice people, and I know this must be a terrible blow for them.

NPR: Spitzer's Fall Helps Write New Chapter in History

But I must also caution that those Americans who freely remain in such dangerous areas must know that they're responsible for their own safety.

CNN: Iran-Contra Affair