Where does this definition of be on the advance come from?
This entry for be on the advance is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is be on the advance a noun, verb, or something else?
In this entry, be on the advance 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.