That's a hard question to answer.

It's a tricky situation.

This book is difficult to understand.

This book is hard for me to read.

It s very hard to explain this by molecular recognition.

This leaves the US in a difficult position.

Such a system did not have to be difficult to implement.

It is hard to understand this blunder.

The project will be as difficult as it will be controversial.

It s a deadline that fails to convince many commentators, if only because the challenges are so great.

Therefore many of his disciples, when they heard this, said, This is a hard saying! Who can listen to it?

Many therefore of his disciples, when they had heard this, said, This is an hard saying who can hear it?

In the case of fire and forget missiles, it may be possible for the missile to be programmed to take certain actions including self destruct if serious missile faults are detected in flight through built in test.

is very painful.

I find that hard to believe.

Is speaking in English hard?

Finding Sami isn't hard.

Innovation is difficult.

It is difficult to give up smoking.

Learning a foreign language is difficult.

It's difficult to learn a foreign language.

That was hard to believe.

That s a big thing in California.

It's hard work every day.

This is too difficult for me.

Correlating this event on different continents has proven difficult and resolving this is essential for the definition of the lower boundary of this series.

And that's a hard sell to a graduate student.

The assignment was too much for me.

But that is difficult to do.

Getting it there is really tough.

This is a difficult call.

I know these are tough, and you may have a hard time getting your hand bent around it, but this is actually critical.

So this is some of the challenge that we have here, is you can see that it's actually kind of hard to get the there we go.

Yet imposing capital controls on inflows is difficult and sometimes leaky.

All the way back into early philosophy and certainly throughout the history of neuroscience, this has been one mystery that has always resisted elucidation, has got major controversies.

In fact, this is better than a wheel, because when you try to drive with your bicycle on the beach, you will notice it's very hard to do.

And that's a lot harder for me, because as honored as I am to be here with all of you right now, this is not my natural milieu.

It's difficult. 2011, 2013. Freedom Tower, the memorial.

You think TED is hard to organize. Right?

However, it's a little difficult to do that in fruit flies.

It's hard for me to understand Italian when it is spoken quickly.

But assessing quality improvements is difficult.

He says getting the social web right is difficult.

However, the application of such regulations has proven quite difficult for females working in production lines, far from home or with children in distanced day care center.

And that is I think it's difficult for me.