关于"青春不负韶华"的英语表达，综合多个权威来源整理如下：

一、经典名言类

1. "Youth is not a time of life, but a state of mind."（青春不是一段时光，而是一种心境）—— 罗曼·罗兰

2. "Make the most of one's youth without wasting time."（珍惜青春时光，莫虚度年华）—— 英国谚语

3. "It is better to waste one's youth than to do nothing with it at all."（与其虚度青春，不如做点什么）—— 乔治·库特林

4. "A generation without a cause in its youth has no legacy in its old age."（青年无理想，则老年无遗产）—— 斯坦尼斯瓦夫二世

二、激励奋斗类

1. "Live up to one's youth and seize the day."（活出青春真我，把握当下）

2. "The day not empty, the youth will never come again."（充实的一天，青春永驻）—— 林宽

3. "Youth is a travel, cant go back. Youth is a meet, forget. Youth is a pain, too late."（青春如单向旅行，无法重来；青春如相遇，难以忘怀；青春如遗憾，追悔已晚）

三、时光感悟类

1. "Life is short, you this shorter, youth cannot lose in smoke, youth can not regret later, you this moving forward toward the goal bravely."（生命短暂，青春更短，青春不可虚度，后悔莫及，勇敢向前）

2. "So long as you are young, you are forever young."（只要年轻，便永葆青春）

3. "The best time to plant a tree was 20 years ago. The second best time is now."（种树最好的时间是20年前，其次是现在）—— 中国谚语

这些句子从不同角度诠释了青春的意义，既包含对时光易逝的感慨，也蕴含积极进取的激励，可作为作文写作或个人成长激励的素材。