Oglądać się za siebie in inglese:

Don't look back, think about your future.

When I look back, I must admit that I don't regret anything in my life.

Forget about him and never look back.

Whenever I look back at those days I smile.

My grandparents often look back on their youth.

without so much as a look back? I mean, who does that?

Don't look back in anger.