其中的英文：
among
in
of which

The Great Pyramid is the biggest of all.
大金字塔是其中最大的一座。

Knight. The "k" is silent.
Knight。其中的K不发音。

I’m going to exemplify one or two of these points.
我将举例说明其中一两点。

One is the original cause of the big bang itself.
其中一个是大爆炸本身产生的初始原因。

Where the technology supplied is advanced or the terms are preferential, exemption from income tax may be allowed.
其中技术先进或者条件优惠的，可以免征所得税。

14.8 Eighty-two staffs, now. Eight of them are senior engineers.
现在有82人。其中八人是高级工程师。

Yue embroidery includes the Guang and Chao branches which have different stitching styles.
其中的广绣、潮绣两大流派风格不尽相同。

We discovered one of the team was an undercover.
我们发现其中一个是警察的卧底。

Treatment sometimes involves removing the large intestine including the rectum.
治疗往往要去掉大肠，其中包括直肠。

Among the deaths in Vietnam were two sisters not known to have been near infected birds
其中俩名姐妹没有接触过患病的禽类。

My wife was there among others.
我妻子和其他一些人在那儿。

There is honour among thieves
盗亦有道

They quarreled among themselves.
他们内部吵了起来。

Fireflies gleam among the leaves.
萤火在草间闪烁。

There was a flutter of wings among the trees.
树林里响起一阵飞鸟的拍翅声。

Can you tell which is which?
你能看得出哪是哪吗？

Which side are you on?
你属于哪一派？

I wonder which party, which faction, you are with!
我就怀疑，你这个人是那一党那一派！

the board on which backgammon is played.
用来玩西洋双陆棋的板子。

Which of you is the baby of the family?
你们当中谁是家中年龄最小的人？