Hey, you know who else who stays late is, um, Stacey.

你知道还有谁也加班吗 史黛丝。

That is, can distinguish between them, do you know who is who?

意思就是，能够分清两者，你知道谁是谁吗？

Well, that depends, who is who in this relationship? Am I the USA or am I the UK? !

嗯，那要看情况而定，在这个关系里我们各自代表哪方 ？我是代表美国还是代表英国？

One thing to note is with who, who's with the apostrophe is, who is; who plus to be.

需要注意‘who’这个单词，who's中的省字符代表的是who is的省略；who+be动词。

These war games very clearly highlight who is in charge, and who is who in the hierarchy of nations.

这些战争游戏很清晰地点明了谁是主宰，以及各自在国家等级中的地位。

Toxic relationships can be very confusing at times, making it difficult to know who is who in the zoo.

有害的关系有时会让人很混乱，让人很难分清到底谁是何种定位。

And he said he doesn't want to get into, you know, describing if he's a politician, who is, who isn't.

他说他并不想加入到他和其他人是否是政治人物的讨论中。

But you can't tell who is who.

但你分不清谁是谁。

Tonight, no one knows who is who, and reality seems a distant dream.

今夜， 无人知晓谁是谁非，现实仿佛是一场遥不可及的梦。