Testing the waters means you get a feel for something before committing to it.

试水是指你在投入做某事之前先感受某事物。

So, that's to get a feel for something.

所以，这是为了感受一下。

" To get a feel for (something)" means to become familiar with something, to understand it very well.

“To get a feel for (something)” 意思是熟悉某事，非常了解它。

To " get a feel for" something means to become familiar with it so that you know what it is like.

“get a feel for”某事意味着熟悉它，这样你就知道它是什么样的。