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.
(..) Mom? Is this a train or a truck? Which is it? Stop asking me. Ask him. When things get rough, he becomes a doll. He's creepy. Watch out. Where the hell is your house? I don't believe this. Watch out. (..)2007 Kantoku · Banzai!