light years away
01
a distant moment or period in the future or past that is often marked by significant technological, cultural, or historical changes
慣用句
くだけた
例
For them, the digital age was still light years away.
02
a vast difference between two things, often indicating that they are significantly distant or dissimilar in terms of progress, quality, or understanding
慣用句
例
Her knowledge of advanced mathematics is light years away from mine; I struggle with basic calculations.
