"I don't know how to say this," my money began.

我不知道如何向你说明这件事，“我的钱对我说。”

youdao

Nate: Look, I don't know how to say this...

听着，我不知道怎么开口。

youdao

Do you by any chance know how to say this word in Chinese?

你也许知道这个词用中文怎么说吧？

youdao

Listen, Forrest,I don't know how to say this.

VOA: standard.other

And I'll say "how are you" and you say something to the effect that if I could afford a latte in this world, I'm doing well.

我问您最近怎么样，您有一次,说了一句话，大致意思是，如果我能,享受得起一杯拿铁，那一切就还好。

普林斯顿公开课 - 人性课程节选

But if you say, well, I don't know how to do this, I am not going to bother, don't grade the paper.

但是如果你说，好吧，我不知道怎么做这个，我想麻烦，别给试卷评分。

麻省理工公开课 - 固态化学导论课程节选

Kelsey also warns that it's too early to say how this week's transition worked out.

NPR: Early Switch To Digital Has Viewers Seeking Help

Look: It's hard to say how this will work until you see it working.

WSJ: Jason Gay: Step Inside Brooklyn's Rusty Turtle

Even so, Nadal was hesitant to say how this might carry over to Roland Garros, where he has won a record seven times.

NPR: Nadal Beats Almagro To Win 8th Barcelona Open