关于“不后悔”的英文翻译及表达，综合权威资料整理如下：

一、核心翻译

直接翻译

- No regrets.

- Never regret.

- No Regret, only lessons.

- Regret nothing, achieve everything.

- Live without regrets.

- Embrace mistakes, no regrets.

常用短语

- It's never too late to learn, never too late to regret.

- The best way to predict the future is to invent it.

- The only thing worse than being blind is having sight but no vision.

二、扩展表达

生活态度类

- No regrets, only lessons learned from life's journey.

- Embrace the journey, not the destination.

- Life is a series of choices, some with no regrets.

情感激励类

- Don't regret the past, live without regrets.

- When your dreams fail, remember it's not a setback, just a lesson.

- The only thing you should never regret is not being true to yourself.

三、经典引用

"No regrets, only lessons" echoes the wisdom of life's experiences.

"Live without regrets" encapsulates the freedom of embracing one's path.

"The best revenge is massive success" inspires action over regret.

建议根据具体语境选择表达，例如：

日常鼓励：Live without regrets.

激励演讲：No Regret, only lessons.

个人成长：Embrace mistakes, no regrets.

注：部分翻译如"Never regret you"为网络改编表达，非标准英语，建议根据使用场景谨慎选用。