look back phrasal verb (
see also look)
1. to think about something that happened in the past
look back on/to
When I look back on those days I realize I was desperately unhappy.
Looking back on it, I still can’t figure out what went wrong.2. never look back to become more and more successful, especially after a particular success:
After winning the scholarship he never looked back. [TahlilGaran] Dictionary of Contemporary English ▲