"we are not comfortable" is correct and usable in written English.
You can use it in a variety of contexts. For example: We are not comfortable discussing this topic in public.
We are not comfortable with it.
The fact is we are not comfortable with the state of our membership today.
At the moment we are not comfortable with it, we are fearful of it".
"We are not comfortable being a team that is expected to win," Coleman said.
"We are not comfortable in this country with women who are powerful.
"Being so closely associated with [R Kelly], especially here in our own hometown, is something we are not comfortable with," they wrote on their website.
"We aren't comfortable talking about these things across racial lines.
And that if we aren't comfortable being in the EU after 40 years, we never will be.
We aren't comfortable talking about that question right now, and I think that's true on both the left and the right.
We're not comfortable with how much".
"We're not comfortable," Ms. Jones said.
