I don't know if I can get it clean.

我不知道我能否把它清理干净。

"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。”

Don't play silly games with me; I know you did it.

别跟我兜圈子，我知道是你干的。

I know you don't like her but try not to make it so obvious.

我明白你不喜欢她，但是尽量别表露得那么明显。

You know what I mean—I'm sure I don't need to spell it out.

你明白我的意思—肯定不需要我解释了。

I don't know what it was that did the trick, but I am definitely feeling much better.

我不知道是什么起的作用，但是我确实觉得好多了。

Miss Allan beamed at him. "You are clever to guess. I'm sure I don't know how you did it."—"Deduction," James said.

阿伦小姐对他笑道：“你很会猜， 我确实不知道你怎么办到的。”——杰姆斯说：“推论。”

I don't know exactly how we'll manage it , but we will, somehow.

我说不准我们如何去完成这件事，但不管怎样我们一定会完成的。

"Let me explain, sir."—"Don't tell me about it. I don't want to know."

“让我来解释，先生。”—“别跟我说那事。我不想知道。”

I don't know much about it, so I don't feel qualified to comment.

关于此事我所知不多，所以觉得没资格评论。

I want him back, but I just don't know how to go about it.

我希望他回来，可我就是不知道怎么去做这件事。

I know I should stop smoking—don't give me a lecture about it.

我知道我该戒烟，别再教训我了。

I don't know if he'll get better. We're just taking it one day at a time.

我不知道他还能不能好转，我们只有过一天算一天。

If I don't know a word, I ask them to spell it out for me.

假如我不知道某个词，我请他们替我拼写出来。

I don't know if we can help—it all depends.

我不知道我们能不能帮上忙，一切都得看情况而定。

It was very kind. I don't know how I can ever repay you.

太好了。我不知道怎样才能报答你。

I always end up having an argument with her, I don't know why, I just can't help it.

我总是和她意见不合，闹得不欢而散，我不知道为什么，我就是忍不住。

Honestly, I don't know anything about it.

我真的对此一无所知。

I know I was stupid; you don't have to rub it in.

我知道我当时很愚蠢；你不必老提这件事。

I don't know what they'll want when they arrive—we'll have to play it by ear.

我不知道他们到达时需要什么—我们只有见机行事了。

I don't know how I made it through the week.

我不知道自己是怎么熬过那个星期的。

I don't know that I can finish it by next week.

我没有把握能在下周完成。

You said it. I just don't know why everyone replies this question.

你说的对，我只是不知道为什么大家都回复这个问题。

I don't know if it bites you.

我不知道它会不会咬你。

I don't know why we're even considering it.

我不知道我们为什么要考虑这个。

The worst of it is, I don't exactly know where we are.

最糟糕的是，我不知道我们究竟在哪里。

"I don't know," Nibs said, awestruck, "but it looks so weary, and as it flies it moans, 'Poor Wendy.'"

“我不知道，”尼布斯敬畏地说，“但它看上去很疲倦，一边飞一边呻吟：‘可怜的温迪’。”

The sale was completed. "I don't know how it works. It just does." said Mr. Azar who learned the trick from another clerk.

交易完成了。阿扎先生说：“我不知道其中的原理，但是就是行得通。”这是他从另外一名员工那里学来的小窍门。

I simply don't know if I'll ever get it finished.

我简直不知道我是否能完成它。

"I don't know what it is to be hungry," said Mary, with the indifference of ignorance.

“我不知道饿着肚子是什么滋味。”玛丽带着一种漠不关心的无知说。