How does a noun phrase translate into a verb?


Ok. The whole sentence is:

Person A bandages Person B's arm.

Person B says: ありがとう。ずいぶん慣れた処置ね？看護婦でもやってたの？

I get what the sentences are saying.

But! For the life of me I can't parse ずいぶん慣れた処置ね？ into that makes any sense to
me. All I can come up with is: "You do very accustomed treatments." Which I
know barely makes any sense (grammatical or otherwise).

Can someone please break this down for me?




`慣れる` can also mean "become skilled at", so it's more like "You've become
quite skilled at this treatment. Were you a nurse or something?" More
literally, it would be like "This is a treatment at which you've become quite
skilled." There is a `です` that's omitted before `ね？`; if this wasn't obvious
to you, that may be the reason you had trouble with it. So there's no " **do**
" in it as you were thinking. It's an " **is** ".




`慣れる` can also mean "become skilled at", so it's more like "You've become
quite skilled at this treatment. Were you a nurse or something?" More
literally, it would be like "This is a treatment at which you've become quite
skilled." There is a `です` that's omitted before `ね？`; if this wasn't obvious
to you, that may be the reason you had trouble with it. So there's no " **do**
" in it as you were thinking. It's an " **is** ".

