" Whereby" means by which or through which, or in accordance with which.

" whereby" 意思通过哪一个，或根据某一个。

And don't wait for someone to empower you. You have to empower yourself.

更别指望有某一个人会来雇用，必须自己为自己作主。

I'm not locked into one in particular.

我并没有特别喜欢某一个。

Targeting a particular spirit is going to be difficult.

追踪某一个灵魂非常难的。

Yeah, for like a half an hour one night.

啊，某一个晚上的半小时。

But legal education is not about specific cases or statutes.

但法学教育并非关于某一个案件或法规。

I was amazed how many books were targeted at just one sex or the other.

我被然有这么多书针对于某一个性别给惊呆了。

So we use it to talk about the presence of only one thing.

所以我用它来谈论某一个东西的存在。

No one person gets the credit.

功劳不归功于某一个人的。

It could even be one of you watching this video.

甚至可能之中在看本视频的某一个人。

Solutions to these ills cannot be implemented by a single government entity or even by a single country.

这些弊病的解决方案并不能由某一个政府实体来执行，甚至不能由某一个国家来执行。

When a sound disappears in between two words, it's called elision.

当两个单词的某一个音消失，就叫做省略音。

Could one of you guys stick this under a chair on your way out?

出去时谁能把这个钉在某一个椅子下面？

If one country's yield suffered, the companies simply looked elsewhere.

某一个国家的咖啡产量受到了影响，到其他国家找也一样。

So these bright young employees do not specialize in one department.

因此，这些聪明的年轻人并不去专项钻研某一个部门的业务。

University of Virginia's allergy department focused on one specific part of the drug.

弗吉尼亚大学的过敏系专门调查该药具体的某一个部分。

The greatest care is taken to prevent you from loving any one too much.

我为防止对某一个对象爱得太深，做出了极大的努力。

So on a hot sunny day out, and there is this bee named Bertha.

在某一个阳光明媚的日子，有一只叫Bertha的蜜蜂。

When by is a preposition of time, it means not later than.

当 by 时间的介词时，表示不迟于某一个时间。

If you'll step in one moment, dear, you shall behold yourself.

如果要在某一个瞬间，亲爱的，要看他自己。”