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.
(..) Of course. I'm curious about your interest in magic. Could you explain it to me? Well, the truth is magic got me through a really rough patch in middle school. Well, adolescence can be difficult, particularly for children of superior intellect. (..)2015 TvShow: Bones Title: The Promise in the Palace Season: 11 Episode 7
(..) she would withdraw bucks from the same ATM machine in Glover Park every Wednesday afternoon. Glover Park? Boy, that is a, that's a rough neighborhood. I'll see if I can get ahold of that ATM surveillance footage. Hey, Aubrey. How do you feel about the Tooth Fairy? (..)2015 TvShow: Bones Title: The Promise in the Palace Season: 11 Episode 7