Back to the wordadjective رُک / rok
و رک و صادق و راستگو باشیva rok va sâdeq va râstgu bâši
And you should be frank and honest and truthful.
اینا خیلی رک اند و راحت و به صراحت نظرشونو درمورد دیگران حتی تو صورتشون میگنina xeyli rok and va râhat va be serâhat nazarešuno dar mured-e digarân hattâ tu suratešun migan
They are very frank, and they give their opinion about others easily and clearly, even to their faces.