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