Iraq remains a very difficult security environment.

These vehicles are operating in very difficult terrain.

I met a very difficult environment in the pre elections, an environment which was increasingly polarized, an environment which was shaped by the selfish politics of dominance and exclusion.

The majority of the poorest inhabitants of the planet are people living in an environment which is rapidly degrading and are living under very difficult and desperate conditions.

Indeed, the global economy in 2013 could be a very difficult environment in which to find shelter.

The scope for policy to promote savings, whether personal savings or government savings, in a very difficult economic environment is small indeed.

Witnesses have often to be extracted from difficult environments, afforded considerable protection before and after testimony and sometimes re located.

She is becoming impossible, simply impossible.

This is hard.

Tough?

And this is a very challenging idea. It's a very challenging idea to mainstream media.

The navigation is difficult.

little bit difficult.

Very tough.

So stomach acid is on the outside of our real bodies and you can imagine, that's a hard environment for a lot of these pathogens to survive in.

It is a difficult problem.

My language is very complicated.

My life is so hard.

Is Arabic difficult?

My life is very difficult to manage.

Those are really tough.

Very very hard.

Such changes are difficult.

Very, very hard.

I have a very difficult task.

Your dramas are too difficult. Yes, your shit was this thick. Yang Soo Kyung, Yang Soo Kyung

It's an uphill climb

Disadvantage farming is hard.

Probably because it's so hard. Ah.

Those are tough questions.

A no brainer.

That's a hard one.

Tremendously challenging.

It's just too tough.

Some of this stuff is hard.

Not a challenging task.

Tough night, huh?

Playin' hard to get, huh?

They're pretty tricky.

It's a difficult situation.

We had rough times.

Is it that hard?

It wasn't very hard.

She's a tough nut.

I've had a tough life.