light years away
US /laɪt jɪrz əˈweɪ/
UK /laɪt jɪrz əˈweɪ/
1.
a very great distance or a very long time from something
:
•
Their technology is light years away from ours.
•
We are still light years away from finding a cure for this disease.
a very great distance or a very long time from something