He's 'having a rough time (of it)'. = He's 'going through a rough time'. [=he is having a difficult time; his life has been difficult recently]
The project still has a few 'rough edges'. [=the project still has a few things that need to be changed or finished]
Don't 'be so rough on them' [=don't punish or criticize them so harshly] for making a mistake.
(..) Ok. And? And... You've got somewhat into a mess Choucas I say somewhat. Let me see that huge widget. Never use a caliber pistol. It makes a lot of noise and looks rough. I think with this same gun they killed Pigot's mother. Seriously? Moron! Oh my God! (..)1981 To Kill a Cop