关于“敬往事一杯酒，再爱也不回头”的英语翻译，综合多个来源的信息整理如下：

常见翻译版本

- A glass of wine to the past, never look back.

- A cup of wine for the past, love never comes back.

- The past is like a glass of wine, never to be repeated.

其他表达方式

- Toast to the past, and tell myself not to look back.

- For the past, I raise a glass； for the future, I'll never turn back.

- With every sip of the past, I vow to walk the rest of my life forward.

补充说明

- 该句常被用于表达对过往的释然与对未来的坚定，类似中文的哲理性表达。 - 在文学创作或情感类文本中，可灵活调整语序或添加修饰词，例如：

- "Sipping on the memories of the past, I'll never seek the shadows of the future."

- "In the glow of the past, I'll never chase the fleeting echoes of love."

建议根据具体语境选择表达，文学创作时可参考英文签名中的类似句式进行改编。