And there are further reasons for concern.

引发担忧的还有其他原因。

A few years ago, I noticed something alarming.

几年前，我注意到了令人担忧的事情。

Even more alarmingly, its flow is diminishing at source.

更令人担忧的它的源头水流正在逐渐减。

What is the root of their worries?

他们担忧的根源什么？

So there is that to worry about.

因此要担忧的事也存在。

D) The merger of publishers is a worrying trend.

D）出版商的合并一个令人担忧的趋势。

But these are not necessarily reasons for concern.

但些未必值得担忧的理由。

And that is really what is concerning them.

真正让他们担忧的事情。

I well remember the look of concern on my father's face.

我清楚地记得我父亲当时担忧的面容。

There you should write down all the negative outcomes that you're worried about.

将所有你担忧的消极结果一一列出。

What would you say to people that are really worried?

你会对些深表担忧的人们说什么？

It's an exclamation to express surprise, shock or concern about something.

表达对某事的惊讶、震惊或担忧的感叹。

The speed at which cities are growing in the less developed countries is alarming.

那些欠发达国家的城市发展速度令人担忧的。

Holmes watched the fog and began to look worried.

福尔摩斯望着白雾，开始露出担忧的神情。

Anaemia in children and babies is a cause for concern.

儿童和婴儿贫血令人担忧的问题。

This leads us to maybe the most concerning point about anti-depressants.

由此引出关于抗抑郁药物最让人担忧的一点。

The economic impact is also a concern.

经济影响也一个令人担忧的问题。

I'm not going to lose any sleep over his empty threats.

我不会为他的空头威胁而担忧的。

One concern was that the rainwater would be dirty.

雨水的清洁性成为人们担忧的问题之一。

But it is the speed of recent changes that worries researchers.

但令研究人员担忧的最近变化的速度。