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.
(..) In the way of another fucking giant rock. Maybe your other girlfriends Couldn't pass the test Come on, Bruce. Sing with me. Well, if you're rough and ready for love Honey, I'm tougher than... The rest Hey, there. There she is! Hey! (..)2014 Wild