It evokes emotions ranging from discomfort to anxiety to outrage.

It is inevitable and it gets worse and more worrisome.

The improvement of Iran s relationship with the West and the easing of diplomatic pressure on the Islamic Republic is not a major concern.

The ado did not pass unnoticed.

It isn't worth the trouble.

I do not want to cause you any trouble.

Despite scores of new protectionist measures around the world since the onset of the financial crisis, the vast majority are nothing to lose sleep over.

Nevertheless, there is cause for concern.

At times the levels of concern grew into grave concern or extreme worry.

The urgency of the problem cannot be doubted.

Smoking does not cause lung cancer.

Not to worry, some economists, say.

There is reason to worry about this.

There's no need to worry.

There's no cause for concern.

There's no reason to worry.

There's no cause for alarm.

There's no reason for concern.

There's no point in getting upset.

I was worried to death.

The success of the Swedish approach is not so surprising.

That kind of girl does not deserve sympathy.

I don't think he is trustworthy.

I don't think she is trustworthy.

Immigration should not be a cause for undue concern, either.

And yet investors have reason to be concerned.

But I didn't let it bother me.

These anxieties have too often been ignored.

There has always been reason for concern.

Why this explosion of concern?

Worrying too much is anxiety disorder.

Okay, there're lots of problems to worry about.

I've caused enough trouble already.

Some of this is unsurprising.

It is because it no longer suits the countries that most actively promote it.

In China, the economic slowdown underway is unmistakable.

This turn of events is not surprising.

The same cause does not always give rise to the same effect.

That is regrettable.

Corruption fuels anger.

This is laughable.

It sure is nostalgic...

Tatoeba is addictive.

What causes it?

Waves are generated by wind.