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.
(..) - I'm listening. - I'm lightning quick. I have razor sharp reflexes and I'm a master of stealth. Plus, I'll keep the cat in check. - The road would be rough. - I have a ball. - There is no turning back. - I guess I have to roll with the punches. - Easy will be parley equation. - Promise. (..)2008 Bolt