unmemorable [ʌnˈmemərəbl]

例句:

• It's a gentle love ballad, charming but largely unmemorable.
  来自BBC
• The letter was written in his usual deathless ( ie bad , unmemorable ) prose .
  他这封信是用其万世不变的 笔调 写成的.
  
• Unstructured, unoriginal and unmemorable, this is definitely closer to the grave than the cradle.
  来自BBC
• It's entirely a masterpiece No Bones is unsettlingly ethereal while Hold Me Up is just unmemorable but it's pretty damn close.
  来自BBC