It's quite hard, actually, to get those very small changes.

The tough hide is difficult to cut, even with a knife.

If they do have, they cannot retain those teachers.

It's hard to teach, and it's not all that easy to learn.

Even for me it's difficult to understand him. And I'm his mother.

So the idea here is we say, you want to make it hard to use wrong.

And if they had some infrastructure, they have difficulty maintaining it.

Administrative processes are difficult and inconsistent, hindering effective action.

But, you know, even in your country, if someone really wants to disappear, it is not too difficult.

But these four questions, actually, are ones that people who even know quite a lot about science find quite hard.

A military operation will result in many losses of life among the civilian population and increase the flow of refugees.

But you've got to realise, even if it's very hard to... that that really doesn't matter.

It's dreadful, my son... and very difficult to cope with.

Well, it's difficult. Very difficult.

Because although I've used scientific terms in songs, it's very difficult sometimes to make them lyrical.

The recent nuclear disarmament record is hardly so poor as to warrant such a loss of confidence.

This is difficult.

It's very difficult.

I doubt it.

Ah, it's hard to say.

Well, can't tell exactly yet.

Is it hard?

You never can tell.

That's kind of the trouble.

It's very good.

Ach, das is schwer.

It's a very hard thing to say.

I cannot tell.

It hurts so bad.

Bit chancy, I'd say.

I feel bad.

With the sun this high, it's pretty hard to tell the points of the compass.

I'm very tense and upset.

The sharp increase in the peacekeeping budget had made it extremely difficult for many Member States to pay their assessed contributions.

All these factors make achieving an accurate assessment of the problem difficult.

And that's hard to that's hard to create but it is coming.

You must be very tired and sad.

Can't tell yet. Lots of damage.

I am very sad.

God, am I sorry!

Was it hard to do?

Hard to tell.

Yeah, it is tough.

It's getting me just as bad, baby.

Well, that's not easy to say.