I often look back upon the happy old days.

我经常回忆以前的快乐时光。

youdao

He has a happy childhood to look back upon.

他有一个幸福的童年可以回忆。

youdao

As I look back upon those years, I am struck by Annie's wisdom.

当我回顾过去那些岁月时，安妮的智慧使我惊叹不已。

youdao

For the answer, I look back upon the philosophy by which my mother, Mieke Frankenberg, led her life, through both its brightest and darkest hours.

CNN: With an open heart, giving is receiving

If some such historic realignment is his aim, it is not necessarily the Tories who will look back upon Mr Blair as the man who did their party in.

ECONOMIST: Tony and Roy

Yet, even as they look down on new immigrants, many Americans look back fondly upon their immigrant ancestors.

CNN: Commentary: Immigrants melting into the pot as usual