Question

ما می خواهیم یکی از اتاق هایمان را به اتاق کار تغییر دهیم به انگلیسی چی میشه

Answer 1

We are going to change one of our rooms to a workroom.

We want to ...

http://dictionary.cambridge.org/dictionary/english/workroom

Answer 2

We are going to convert one of our bedrooms into an office.

http://www.ldoceonline.com/dictionary/convert_1