What does youth without regret mean?

Youth without regrets means: to say that a good youth is not regrettable, that is, a youth without regrets.

Poetry that describes the "youthful years of no regrets"

South to the north in the old age, the old man is scarce. ____贺铸《钓鱼船归-绿净春深好染衣》

当年志气俱消尽,白发新添四五茎。 ____ Xue Feng, "Night Rain in Chang'an"

Songs and dances in front of the honored ones, in the prosperous mirror, secretly changing the green hair. ____ Sadurat "Nian Nujiao - Climbing to the Stone City in the Rhyme of Dongpo"

Husband's ambition, when the scenery is flourishing, is ashamed to be idle. ____ Su Shunqin's "Song of Water" (水调歌头-沧浪亭)

留连光景惜朱颜,黄昏独倚阑。 ____ Li Yu's "Ruan Lang Gui - Presenting the Twelfth Brother of King Zheng"

The hibiscus is old and frosty, and the fan is shy of the net dust. ____ Li Bai "Song of the Concubine of Zhongshan Ruzi"

Who remembers the return of the migrant guest, the old man is hurt by his reputation and integrity. ____ Li Gang's "Six Orders - Second Rhyme and He Fang's Return to Jinling and Ancient Recollections of Poyang"

The stubborn old man's feelings are all cheerless, and he loves to be alone in the good night. ____ Wu Wenying's "An Inch of Gold - Autumn Sensation"

Hundreds of years old and halfway through the year, the previous period is vast and long. ____ Li Bai's "Ascending Mount Jingting, Looking South, and Giving a Reminiscence to Master Dou"

Fearing that the spring in the mirror. I'm not as good as the new flowers and grasses. ____张先《菩萨蛮-忆郎还上层楼曲》

头上尽教添白发,鬓边不可无黄菊。 ____ Song Jiang's "Full River Red" (满江红-喜遇重阳)

秋鬓含霜白,衰颜倚酒红。 ____Yin Shi's "Farewell to Song Changshou"

Sorry face and decaying temples, tomorrow will be spring again. ____ Dai Shulun's "New Year's Eve at the Stone Post"

The waterfront is full of silk. I'm not sure if I'm going to be able to do that. The heart of my hometown is at the end of the world. ____ Wu Ju's "Waves and Sand" (浪淘沙-岸柳可藏鸦)

桃李务青春,谁能贯白日。 ____ Li Bai's "The Long Song Xing"