I just don't know what to say.

I don't know if I have the time.

If anyone was to ask what the point of the story is, I really don't know.

I didn't know where it came from.

If you didn't know me that way then you simply didn't know me.

If you didn't know me that way then you simply didn't know me.

I don't know what you mean.

I don't like it when mathematicians who know much more than I do can't express themselves explicitly.

I don't know how to demonstrate it, since it's too obvious!

No one will know.

I don't know what to do anymore.

It is inevitable that I go to France someday, I just don't know when.

Next thing you know, you'll be in the papers.

I don't know if I still have it.

Do you really need to ask the question to know the answer?

Let me know if there is anything I can do.

Let me know if I need to make any changes.

What do you mean you don't know?!

Who doesn't know this problem?!

You know the phrase, we reap what we sow. I have sown the wind and this is my storm.

I don't know what to say to make you feel better.

When you're trying to prove something, it helps to know it's true.

You don't know who I am.

If you know that something unpleasant will happen, that you will go to the dentist for example, or to France, then that is not good.

It caught me off guard; I didn't know what to do.

I don't know what is worse.

What... you still don't know how to drive?

There are a lot of things you don't know about my personality.

All I need to know about life, I learned from a snowman.

Any chance you know where I put my keys?

Only those who risk going too far will know how far one can go.

I don't know him.

I didn't know he drank so much.

I don't know if he would have done it for me.

Hi, I just wanted to let you know that the problem is fixed.

They don't even know why.

I want to know who is coming with us.

Those who know him like him.

I don't know if I'll have time to do it.

How come you know so much about Japanese history?

You should know better than to ask a lady her age.

Do you know who he is?

Didn't you know that he passed away two years ago?

Don't you know that he passed away two years ago?

Don't you know that he has been dead for these two years?

Do you know how to cook meat?

You know the answer?

Don't you know that you are the laughingstock of the whole town?

You know quite a lot about Sumo.

Do you know how to use a dictionary?

You are the wickedest witty person I know.

You don't know how worried I am.

Do you know who Rie Miyazawa is?

You must know you're faced with a crisis.

Indeed you know a lot of things, but you're not good at teaching them.

Please let me know what you want.

You should know better.

You are old enough to know better.

Now that you are grown-up, you ought to know better.

Now that you have come of age, you should know better.

You are old enough to know this.

How did you come to know her?

You don't know German, do you?

You are old enough to know better than to act like that.

Do you know the reason?

You ought to know better at your age.

Do you know where the girl lives?

Do you know what this box is made of?

You will know the truth some day.

Do you know how high the television tower is?

I know your name.

You should know better at your age.

At your age, you ought to know better.

I know what you mean.

Do you know what you're asking?

I don't know what to make of your actions.

Do you know good from evil?

I expect you know all about it.

You should know what to read.

I want to know if you'll be free tomorrow.

I don't know whether you like her or not.

Does he know that you love him?

I know you are rich.

It is a great pity that you don't know it.

I didn't know that you were in this town.

Do you know the reason why the sky looks blue?

I need to know your answer by Friday.

Money doesn't grow on trees, you know.

As for the students of today, I don't know what they are thinking about.

As these days most parents indulge their children, many children don't know what good manners are.

Wet blankets are not always unpleasant after you get to know them.

Do you know the man standing on the bridge?

I don't know exactly where Kyoko lives, but it's in the direction of Sannomiya.

I don't know whether to cry or to laugh.

Do you know when the first parliament came into being?

The engineer seeks not so much to know nature as to make use of it.

Do you know how to use a personal computer?

Let us know when you'll arrive.

I know how you feel.

I didn't know you cared!

We tend to welcome only proofs of what we already know.