“无法相比的东西”可以翻译为“something incomparable” 或者 “something beyond comparison” 。
例句:
This masterpiece is something incomparable in the art world.(这件杰作在艺术界是无可相比的东西 。)
The beauty of that natural landscape is something beyond comparison.(那处自然景观的美是无可相比的东西 。)