Getting that energy is very, very difficult.

Everyone is for innovation yet it is very difficult to do.

It's very, very difficult to speak at the end of a conference like this, because everyone has spoken. Everything has been said.

It is precisely because structural change in this institution is so difficult that it has been so rarely attempted.

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.

Getting that energy is very, very difficult. It all comes down to that power plant how to get a large amount of power in a small package.

Since we are such a visual species, it's hard for us to really understand this, so I'll use a mixture of figures and sounds and hope this can communicate it.

That's a hard question to answer.

It's a tricky situation.

However, the analytical methods that attempted to precisely calculate the effects of food on urinary pH were not precise except in very general terms, making effective use of this diet difficult.

is very painful.

I find that hard to believe.

This book is difficult to understand.

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.

And despite Bucky's prophecies that everything would be miniaturized and technology would make an incredible style access to comfort, to amenities it was very, very difficult to imagine that everything that we see in this image, would be very, very stylishly packaged.

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

The assignment was too much for me.

This book is hard for me to read.

But that is difficult to do.

Getting it there is really tough.

This is a difficult call.

But you have to think evolutionarily, you have to think, what hard job that has to be done it s dirty work, somebody s got to do it is so important to give us such a powerful, inbuilt reward for it when we succeed.

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

You think TED is hard to organize. Right?

It s very hard to explain this by molecular recognition.

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.

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

Juan Enriquez shares mindboggling science

This leaves the US in a difficult position.

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

Now, it sounds easier than it is because the structure actually looks more like this blue antibody diagram attached to its yellow binding site, and as you can imagine, these three dimensional structures are much harder to work on.

All of these developments have put India in a difficult position.

We agree with Rosemary Abi Saab