To express “宝贵的记忆” in English, you can use a variety of phrases that convey the sentiment of something precious or cherished that one holds in their memory. Here are some options:

  1. Treasured memories
  2. Precious memories
  3. Valuable recollections
  4. Cherished memories
  5. Memorable moments that hold significance
  6. Invaluable memories
  7. Dear memories
  8. Beloved moments from the past
  9. Precious moments
  10. Moments etched in the heart

Each of these phrases captures the essence of a memory that is held in high regard and has emotional or sentimental value.