This was something the scientist behind the experiment was only too aware of.这是进行实验的科学家们唯一担心的事

aware of: 察觉到的, 意识到的

John has been aware of having done something wrong.

约翰已意识到自己做错了事情。

We are fully aware of the gravity of the situation.

我们十分清楚形势的严峻性。

I was going to take over their lives basically for a week.我要安排他们一周的生活

take over:接管

You are to take over one of the subdivisions.

你将接管其中一个分部。

But she went ahead anyway and pushed them back in time.但她坚持实验，把他们带回20年前

go ahead:前进

Please go ahead with your story.

请继续讲你的故事。

that they were going to be totally immersed in.他们将全身心融入

immerse in:全神贯注于，专心于；把…浸入水中

We all immersed in the gaiety of the Spring Festival.

我们都沉浸在春节的欢乐之中。

He was immersed in debts/difficulties.

他陷入债务／困难之中。