I give it to you, Mr. Holmes, for what it is worth.

我把它给你， 福尔摩斯先生， 不管它值多少钱。

Here, therefore, we have, for what it is worth, a solid basis from which to begin our pursuit of knowledge.

因此，在这里，无论其价值如何， 我们都拥有坚实的基础， 可以从中开始我们的知识追求。

A " bargain" is something that is cheap, something has a low price or a good price for what it is worth.

“讨价还价”是便宜的东西，某物的价格低或物有所值。