Where does this definition of be lost on come from?
This entry for be lost on is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is be lost on a noun, verb, or something else?
In this entry, be lost on is tagged as 2v..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.