"But how long can you stay in the house?"—"I don't know. It depends."

“但你能在这屋里待多久？” — “不知道，这要看情况而定。”

《柯林斯英汉双解大词典》

I don't know. Correction—I do know, but I'm not going to tell you.

我不知道。不，我知道不假，但不打算告诉你。

《牛津词典》

I know you don't like him, but he has his uses.

我知道你不喜欢他，但他有时还用得着。

《牛津词典》

I don't know if you're aware of this, but these honorary degrees are apparently pretty hard to come by.

VOA: standard.2009.05.17

I don't know where any one of them is, but I can tell you on average where any one of them is likely to be.

我不知道它们中单独的个体在哪，但我可以大体告诉你,它们其中一个将是会怎样。

麻省理工公开课 - 固态化学导论课程节选

It's called, I don't know if you guys speak any Japanese, but it's called Bungo, the thing that we're focusing on.

我不知道你们是否会日语，但我们主要学习的东西被称作“豊后”。

最喜欢的一门课 - SpeakingMax英语口语达人

"I don't want to feel like a spoilsport, but I don't know how you can set them off safely given the potential they have to cause fires, " she said.

BBC: Chinese sky lantern blamed for Trowbridge house fire

But I don't know if you read that Jasmyne Cannick's piece in the L.A. Times over the weekend.

NPR: California Gay Leaders Assess Marriage Defeat

But I don't know about you -- I don't intend to cede the 21st century to anybody else. (Applause.) America is not a nation that follows -- America leads.

WHITEHOUSE: Help for Homeowners in the Hardest Hit States