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