Since you have asked for, here are my suggestions:
“Today I go out to work part-time on morning, when my roommates are sleeping.”
I went out working part-time in the morning today, when my roommates were still sleeping.
"Although I don’t want to be busy like this, at the same time don’t want to lay all a day on every weekend, so I often find something to do by myself."
Although I don’t want to be busy like this, at the same time I don’t want to lay down all day over the weekends. So I often find something to do by myself.
"I know if I stop, I will think all the things are terrible, so terrible like myself."
I know if I stop being active, I would sit there having all the negative thoughts, so terrible that I would get depressed.
"I want to have a enrich enough life, go out might be the best way."
I want to have an enriched life, going out might be the best way.
or I want to have a life that is enriched enough, going out might be the best way.
"I hope I can not regret every way I have chosen."
I hope I will have no regret for any choices that I have made.