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.
(..) cultural background and my wife could sing to my children the same lullabies my mother sang to me. It's obvious that they meant well, but... I'm having a really rough time. I broke up with my boyfriend and... Just because most of the men I've known in my life happen to be jerks, (..)2007 TvShow: The Big Bang Theory Title: The Big Bran Hypothesis Season: 1 Episode 2