And there are further reasons for concern.

忧还有其他原因。

A few years ago, I noticed something alarming.

几前，我注意到了令人忧事情。

So there is that to worry about.

因此要忧事也存在。

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

我清楚地记得我父亲当时忧面容。

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

将所有你忧消极结果一一列出。

What would you say to people that are really worried?

你对这些深表忧人们说什么？

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

那些欠达国家城市展速度是令人忧。

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

由此出关于抗抑郁药物最让人忧一点。

The economic impact is also a concern.

经济影响也是一个令人忧问题。

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

我不为他空头威胁而忧。

One concern was that the rainwater would be dirty.

雨水清洁性成为人们忧问题之一。

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

但令研究人员忧是最近变化速度。

Mr. Reese, I have some alarming news.

里瑟先生 我有些令人忧消息。

Even more alarmingly, its flow is diminishing at source.

更令人忧是它源头水流正在逐渐减小。

So is your book alarming or is it optimistic?

那你书整体情感色彩是忧还是乐观？

But what really concerns me is your curtailed output.

但真正让我忧是你工作效率明显下降。

But the alarming issue is that it may also limit your life.

但令人忧是，它也可能限制生活。

Another cause for concern is causing weight gain.

另一个令人忧原因是导致体重增加。

And then we can just map out what's the result of the worrying?

然后我们就可以描绘出忧结果是什么。

Holmes watched the fog and began to look worried.

福尔摩斯望着白雾，开始露出忧神情。