a look back to review the past; to think of what has happened Examples Looking back on the past, I can now see a that I have wasted so much of my precious time。 He looks back at his four years of college with satisfactionlook back: — to review the past; to think of what has happened ⚫ Looking back on the past, I can now see that I have wasted so much of my precious time. ⚫ He looks back at his four years of college with satisfaction. Examples