Where does this definition of knotty problem come from?
This entry for knotty problem is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does knotty problem appear elsewhere on Lughet?
Yes — knotty problem appears under other sources or language pairs in Lughet's collection. See the list below.
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.
