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.
(..) Tori, l really think that you need to cut Heath a little bit of slack. His aunt died three years ago and he really needs new headshots. He's just going through a really rough time right now. Okay? You okay? Everything all right in there? lt's fine. Shit. Tiff, we're just going to (..)2004 White Chicks