Among them, looking back is memory and reminiscence, with nostalgia for the past. The "past" here has many meanings:
1. Time has passed or not.
2. past, past.
3. After that, communicate.
Some sentences about looking back:
Looking back, I will not regret wasting my time, nor will I be ashamed of my mediocrity.
How can we get back the lost years? You once smiled, but you couldn't get rid of it in your memory.
Extended data
Poetry related to "looking back";
Hawthorn Tree: Lantern Festival
Ouyang xiu in song dynasty
On the fifteenth day of the first lunar month, the flower market is brightly lit.
The moon rose to the willow tree, and he met me at dusk.
On the Lantern Festival on the fifteenth day of the first month of this year, the moonlight and lights are still the same as last year.
I will never see my old friend last year again, and my tears are soaked through my clothes.
I remember all kinds of things when we met last year. The joy of the old days still lingers in my mind. Although there is a mountain alliance, there is no beautiful voice. How painful! There is always too much sadness and regret in the world. Things are changing, and things are changing. Looking back, all the people in the past are gone. If there are heartbroken people here, there are 10 thousand kinds of tenderness, and who should I talk to?
Creative background: The word "Cha Sheng Zi Yuan" is written about dating, but some people think that it was written by the poet who missed his second wife, Mrs. Yang, for three years (1036).
Baidu encyclopedia-health cha zi yuan Xi