in or through the middle of a group of people or things

在…当中，为…所围绕:

The girl quickly disappeared among the crowd.

女孩很快消失在人群中。

I could hear voices coming from somewhere among the bushes.

我能听到灌木丛中某个地方传来的说话声。

We walked among the chestnut woods on the mountain slopes.

我们走在山坡上的栗树林中。

She began rummaging among the books on her desk.

她开始在桌子上的一堆书中乱翻起来。

with a particular group of people

与〔某一群人〕在一起:

Jim relaxed, knowing he was among friends .

吉姆知道周围都是朋友，放松了下来。

used to say that many people in a group have the same feeling or opinion, or that something affects many people in a group

在…群体中:

The problem is causing widespread concern among scientists.

这个问题在科学家中间引起了广泛关注。

The general opinion among police officers was that the law should be tightened.

警察中间普遍的想法是这条法律应该制订得更加严厉。

The changes will mean 7,000 job losses among railway workers.

这些变革意味着铁路工人中间将有 7000 人失业。

used to talk about a particular person, thing, or group as belonging to a larger group

在…（人员）中，是…之一:

She was the eldest among them.

她是他们当中年纪最大的。

Innocent civilians were among the casualties.

死伤者中有无辜平民。

My grandfather had among his possessions a portrait by Matisse.

我祖父有一幅马蒂斯画的肖像画。

Representatives were chosen by the students from among themselves.

代表由学生互选产生。

among other things / places / factors etc, used to say that you are only mentioning one or two people or things out of a much larger group

除了其他东西/地方/因素等:

At the meeting they discussed, among other things, recent events in Japan.

会上，除了其他议题外，他们还讨论了日本近来发生的事件。

if something is divided or shared among a group of people, each person is given a part of it

在…之间（分配）:

A father's property was divided among his heirs.

父亲的财产在继承人之间分配。

among yourselves / ourselves / themselves, with each other

在你们/我们/他们之间:

The allies found it hard to agree among themselves.

盟友发现他们很难达成一致意见。